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Question
question 4 of 8, step 1 of 3
a recent survey reported that small businesses spend 30 hours a week marketing their business. a local chamber of commerce claims that small businesses in their area are not growing because these businesses are spending less than 30 hours a week on marketing. the chamber conducts a survey of 94 small businesses within their state and finds that the average amount of time spent on marketing is 28.3 hours a week. assuming that the population standard deviation is 8.8 hours. is there sufficient evidence to support the chamber of commerces claim at the 0.01 level of significance?
step 1 of 3: state the null and alternative hypotheses for the test. fill in the blank below.
$h_0:mu = 30$
$h_a:mu$ ____ 30
answer
$\
eq$
$>$
$<$
Step1: Identify claim
The local chamber of commerce claims small - businesses spend less than 30 hours on marketing.
Step2: Determine alternative hypothesis
The alternative hypothesis ($H_a$) represents the claim. Since the claim is that the population mean ($\mu$) is less than 30, the symbol in $H_a$ is '<'.
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