Question

to calculate the probability of an event, use the formula $p(e)=\frac{number\\ of\\ favorable\\ outcomes}{total\\ number\\ of\\ possible\\ outcomes}$. the denominator represents the total number of possible

if the probability of getting at least one head when tossing two coins is $\frac{3}{4}$, then the event is considered

the probability of drawing a red card from a well - shuffled deck containing an equal number of red and black cards is $\frac{1}{2}$, which is an chance event.

in probability, the outcomes that satisfy the conditions of the event are known as outcomes.

Explanation:

• For the first blank: In probability formula \(P(E)=\frac{\text{Number of favorable outcomes}}{\text{Total number of possible outcomes}}\), the denominator is the total number of possible outcomes.
• For the second blank: When \(P(E)=\frac{3}{4}\) (where \(0 < P(E)<1\)), the event is a likely event.
• For the third blank: When \(P(E)=\frac{1}{2}\), the event is an even - chance event.
• For the fourth blank: In probability, outcomes that satisfy the event's conditions are favorable outcomes.

Answer:

1. Total number of possible outcomes
2. Likely event
3. Even - chance
4. Favorable