Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
-
a genetic experiment with peas resulted in one sample of offspring that…
$0.241<p<0.301$
-
some states now allow online gambling. as a marketing manager for a cas…
a. \(n = 271\) b. \(n = 161\)
-
use the sample data and confidence level given below to complete parts …
a) The best point estimate of the population proportion \(p\) is \(0.027\) b) The value of the margin of error \(E = 0.004\) c) The \(90\%\) confidence interval is \(0.023<p<0.031…
-
a survey finds customers are overcharged by price scanning systems, on …
\(0.9942\)
-
construct the indicated confidence interval for the population mean $\\…
\((11.3,17.5)\)
-
identify from the graph if there is correlation, and whether it is posi…
There is no correlation.
-
a magazine provided results from a poll of 500 adults who were asked to…
\(0.01\)
-
many preachers included the concept of __________ in their messages mea…
C. perfectionism
-
use the text to compare and contrast cantonese and mandarin. if you wan…
- Is a dialect of Chinese: Cantonese (☑), Mandarin (☑) - Has four tones: Cantonese ( ), Mandarin (☑) - Is an official language in the United Nations: Cantonese ( ), Mandarin (☑)
-
claim studying poetry helps students to become more effective writers. …
Weak: Not from a Credible Source
-
a magazine provided results from a poll of 1500 adults who were asked t…
The value of \(\hat{p}\) is \(0.11\), the value of \(\hat{q}\) is \(0.89\), the value of \(n\) is \(1500\), the value of \(E\) is \(0.05\), and the value of \(\alpha\) is \(0.01\).
-
which concept below is not a main idea of estimating a population propo…
C. Knowing the sample size necessary to estimate a population proportion is important.
-
some states now allow online gambling. as a marketing manager for a cas…
\(271\)
-
you are the operations manager for an airline and you are considering a…
a. \(n = 549\) b. \(n = 493\)
-
in a random sample of six people, the mean driving distance to work was…
\((17.3,30.5)\)
-
in a random sample of six people, the mean driving distance to work was…
\( 6.6 \)
-
the data sets in problems 10 and 11 are scatterplots that have the regr…
Since the residuals in the residual plot are randomly scattered around the horizontal axis (residual = 0), the linear function is a good fit for the data in Data Set 1.
-
in a random sample of eleven people, the mean driving distance to work …
\((15.6,23.0)\)
-
write a multiplication expression to represent each product and explain…
The multiplication expression is \(65\times15\). It represents the total number of hairs lost in \(15\) days, with \(65\) hairs lost per day.
-
in a random sample of eleven people, the mean driving distance to work …
\(3.7\)
-
2a. if i randomly choose 1 student at random from the distribution, wha…
2a. \(0.2\) 2b. \(0.6\) 2c. \(0\) 2d. \(0.03\)
-
find the margin of error for the given values of c, s, and n. c = 0.95,…
\(2.005\)
-
a new york times article reported that a survey conducted in 2014 inclu…
A. Yes, using the result from the 2014 survey dramatically reduces the sample size.
-
find the critical value $t_{c}$ for the confidence level $c = 0.99$ and…
\(3.707\)
-
find the critical value ( t_{c} ) for the confidence level ( c = 0.99 )…
\(t_{c}=3.106\)
-
grade | p(grade) a | 0.1 b | 0.3 c | 0.35 d | 0.05 f |? 2a. if i random…
2a. \(0.2\) 2b. \(0.6\) 2c. \(0\)
-
a new york times article reported that a survey conducted in 2014 inclu…
a. \(n = 2655\) b. \(n = 374\)
-
grade p(grade) a 0.1 b 0.3 c 0.35 d 0.05 f? 2a. if i randomly choose 1 …
2a. \(0.2\) 2b. \(0.6\) 2c. \(0\)
-
a new york times article reported that a survey conducted in 2014 inclu…
\(n = 2655\)
-
a new york times article reported that a survey conducted in 2014 inclu…
\(2655\)
-
2a. if i randomly choose 1 student at random from the distribution, wha…
2a. \(0.2\) 2b. \(0.6\)
-
c. repeat part (b) using a confidence level of 80%. 0.430 < p < 0.486 (…
D. The 99% confidence interval is wider than the 80% confidence interval. A confidence interval must be wider in order to be more confident that it captures the true value of the …
-
2. i recently gave a test to a good number of students from my ap pre-m…
\(0.2\)
-
in a poll of 515 human resource professionals, 45.8% said that body pie…
a. \(236\) b. \(0.401 < p<0.515\) c. \(0.430 < p<0.486\)
-
12. one hundred sixty cell phone owners were surveyed. a. what fraction…
a. \(\frac{5}{8}\) b. \(\frac{3}{4}\)
-
in a poll of 515 human resource professionals, 45.8% said that body pie…
a. \(236\) b. \(0.401<p<0.515\)
-
in a poll of 515 human resource professionals, 45.8% said that body pie…
236
-
in relation to art, marxism is a. is the influence the gender of both t…
B. the method that interprets artworks in the light of their economic and social contexts.
-
a genetic experiment with peas resulted in one sample of offspring that…
a. \(0.26 < p<0.34\) (rounded to two decimal places) b. Yes, the confidence interval does not include \(0.25\), so the true percentage could not equal \(25\%\)
-
instructions read the question carefully and select the best answer. wh…
A. conflict
-
iconology is a. the meaning of symbols and images in a piece of work. b…
C. the study of the meaning and imagery in art in its broader cultural or artistic context.
-
use the sample data and confidence level given below to complete parts …
a) The best - point estimate of the population proportion \(p\) is \(0.027\) b) The margin of error \(E\approx0.004\)
-
use the sample data and confidence level given below to complete parts …
a) The best - point estimate of the population proportion \(p\) is \(0.027\) b) The margin of error \(E = 0.013\)
-
question 2 4 pts allison purchases one lottery raffle ticket for a scho…
\(-15.67\)
-
use the sample data and confidence level given below to complete parts …
\(0.027\)
-
a company makes electronic gadgets. one out of every 40 gadgets is faul…
An expected profit of \(\$1.08\)
-
use the sample data and confidence level given below to complete parts …
C. One has 95% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion.
-
use the sample data and confidence level given below to complete parts …
a) \(0.574\) b) \(E = 0.030\) c) \(0.544<p<0.604\)
-
use the sample data and confidence level given below to complete parts …
a) The best - point estimate of the population proportion \(p\) is \(0.574\) b) The margin of error \(E\) is \(0.030\)
-
question 3 4 pts in a certain game, suppose there is no cost to playing…
\(56.11\)
-
question 4 4 pts juanita pays $10 to purchase one raffle ticket in the …
\(-5.01\)
-
company makes electronic gadgets. one out of every 20 gadgets is faulty…
An expected loss of \(\$2.40\)
-
use the sample data and confidence level given below to complete parts …
a) The best - point estimate of the population proportion \(p\) is \(0.574\) b) The margin of error \(E\approx0.030\)
-
question 6 4 pts amita pays $0.88 to play a game at a local fair that i…
\(-0.01\)
-
use the sample data and confidence level given below to complete parts …
\(0.574\)
-
express the confidence interval (0.077, 0.141) in the form of \\( \\hat…
$0.109-0.032 < p<0.109 + 0.032$
-
express the confidence interval ( 0.222 < p < 0.888 ) in the form ( hat…
$0.555\pm0.333$
-
find the critical value $z_{\\alpha / 2}$ that corresponds to the confi…
\(1.41\)
-
find the critical value ( z_{alpha/2} ) that corresponds to the given c…
\(1.34\)
-
5. the table shows the monthly high temperature for austin, texas, in d…
A. Weak negative correlation ### Question 6
-
question 20 generation z have created their own slang, lingo, and termi…
subculture.
-
weekly homework #10 - solving radical equations and exponentials (due 1…
1. $x = 9$ 2. $x = 27$ 3. Una solución que surge durante el proceso de resolución de una ecuación pero no satisface la ecuación original.
-
question 2 4 pts allison purchases one lottery raffle ticket for a scho…
\(-9.04\)
-
question 3 4 pts a company makes electronic gadgets. one out of every 5…
An expected profit of \(\$1.34\)
-
question 4 4 pts amita pays $0.88 to play a game at a local fair that i…
\(-0.01\)
-
question 5 4 pts a company makes electronic gadgets. one out of every 4…
An expected profit of \(\$1.08\)
-
question 6 4 pts a 36 year old man in the united states has a 0.236% ri…
\(56.81\)
-
the following table gives the population in a small coastal community f…
a. $341.25$ persons/yr b. $- 217.375$ persons/yr c. 2002 - 2012 d. 2012 - 2020
-
a cup of soup is left on a countertop to cool. the table below gives th…
\(y = 180.200\times0.939^{x}\)
-
a sales assistant is hanging 13 sweaters on a rack. he has 3 green swea…
\(60060\)
-
4 the table below shows the concentration of ozone in earths atmosphere…
\(y = 0.797\times(1.047)^{x}\)
-
question 26 suppose events e and f are mutually exclusive, with p(f)=0.…
a) \(9\) to \(41\) b) \(41\) to \(9\)
-
events e and f are mutually exclusive, with p(f)=0.54 and p(e or f)=0.6…
Odds for \(E\) are: \(1\) to \(9\) Odds against \(E\) are: \(9\) to \(1\)
-
question 24 suppose events e and f are independent with ( p ( f ) = 0.7…
a) \(2\) to \(3\) b) \(3\) to \(2\)
-
question 23 4 pts suppose events e and f are independent, with p(f) = 0…
a) The odds for \(E\) are \(12\) to \(13\) b) The odds against \(E\) are \(13\) to \(12\)
-
question 23 suppose events e and f are independent, with p(f)=0.4831 an…
a) The odds for \(E\) are: \(2\) to \(3\) b) The odds against \(E\) are: \(3\) to \(2\)
-
5 a cup of soup is left on a countertop to cool. the table below gives …
\(y = 179.693\times(0.953)^{x}\)
-
question 21 if ( p(e)=0.22 ), then calculate and find that (enter one d…
Question 21: a) \(11\) to \(39\) b) \(39\) to \(11\) Question 22: a) \(7\) to \(13\) b) \(13\) to \(7\)
-
question 19 if ( p(e)=0.88 ), then calculate and find that (enter one d…
Question 19: a) \(22\) to \(3\) b) \(3\) to \(22\) Question 20: a) \(9\) to \(11\) b) \(11\) to \(9\)
-
given the following venn diagram answer the following questions by fill…
a) \(0.84\) b) \(0.39\) c) \(0.18\) d) \(0.16\)
-
3 a colony of bacteria grows exponentially. the table below shows the d…
\(y = 190.64(1.59)^{x}\)
-
given the following venn diagram: data answer the following questions b…
a) \(1\) b) \(0.16\) c) \(0.21\) d) \(0.06\)
-
question 15 given ( p(e)=0.435, p(f)=0.35, p(e cup f)=0.627 ), what is …
\(0.158\)
-
given ( p(e) = 0.105 ), ( p(ecup f) = 0.351 ), ( p(ecap f) = 0.098 ), w…
\(0.344\)
-
given, ( p(e)=0.105 ), ( p(e cup f)=0.351 ), ( p(e cap f)=0.096 ), what…
\(0.342\)
-
given, ( p(e) = 0.105 ), ( p(ecup f) = 0.351 ), ( p(ecap f) = 0.098 ), …
\(0.26\)
-
there are seven men and six women in line at a salsa dance club. part 1…
\( 1050 \)
-
evaluate the expression. express your answer in exact simplest form. 8c…
\(168\)
-
1 the population growth of boomtown is shown in the accompanying graph.…
2) \(32,000\)
-
1. nick was looking for apartments in two different communities. the co…
a. Mean of Community A: $\$625$, Mean of Community B: $\$625$. They are equal. b. Range of Community A: $\$45$, Range of Community B: $\$170$. c. Only comparing the means is misle…
-
10. a companys profit doubles every year. which type of regression best…
C. Exponential
-
a simple random sample of size 48 was taken, with a sample mean of 35.5…
a. \(90\%\) Confidence Interval: \(34.170\) to \(36.830\) b. \(95\%\) Confidence Interval: \(33.916\) to \(37.084\) c. \(99\%\) Confidence Interval: \(33.419\) to \(37.581\) d. As…
-
8. if the line of best fit for a dataset is y = 5x + 10, what is the pr…
B. 40
-
example 1 in the example, what does the 0 in 1.046 mean? 2 fill in the …
1. The \(0\) in \(1.046\) means \(0\) tenths (or \(0\times\frac{1}{10}\)). 2. - Mixed Number: \(3\frac{72}{100}\) - Expanded Form: \(3\times1+0\times\frac{1}{10}+7\times\frac{1}{1…
-
5 from unit 3, lesson 1 many adults are selected at random to respond t…
a. Spring b. \(21\) c. \(225\)
-
7. if the correlation coefficient r = 0.98r = 0.98r = 0.98, what does t…
B. Strong positive relationship
-
6. which of the following represents a situation that would most likely…
B. The temperature increasing steadily each hour
-
3 scientists give two different treatments to people who have the flu a…
a. \(57.5\%\) b. \(41.7\%\) 4. A. \(63\)
-
6. the table below shows bacteria growth over time. which regression mo…
C. Exponential
-
3. the scatter plot of a plants height over time curves upward more ste…
Exponential regression model.