Solve the problem.
-In a certain town, 44% of voters favor a given ballot measure. For groups of 31 voters, find the variance for the number who favor the measure.
A)2.76
B)7.64
C)13.64
D)58.35

Question

Quizplus · Accepted Answer

The variance for a binomial distribution is calculated using the formula: variance = n * p * (1 - p), where n is the number of trials (31 voters), and p is the probability of success (0.44). So, variance = 31 * 0.44 * (1 - 0.44) = 7.64.

Solve the Problem. -In a Certain Town, 44% of Voters Favor a Given