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AssignmentMultiple Select

Expected Value

Question 2 • CREDIT RE-SEAT MNPS Integrated Math III IC S2 26-27

Use the features on the left to identify which of the following are binomial experiments.

Answer
A
a survey asking 50 people their favorite food
B
a survey asking 50 people if they like pizza
C
a survey measuring 50 people to see if they are over 6 feet tall
D
a test of rolling a number cube 50 times and recording the result

Explanation

A binomial experiment has a fixed number of trials, two possible outcomes for each trial, independent trials, and the same probability of success each time. In B, each of the 50 people either likes pizza or does not. In C, each person is either over 6 feet tall or not. A has multiple possible favorite foods, and D records one of six possible results on each roll, so neither has just two outcomes per trial.

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