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Instructions
Using Excel to Determine Probabilities for Binomial Distributions
In this week’s assignment, we will learn how to use Excel to calculate probabilities for a binomial distribution.
Resource to consult: Section 5.5 in your text entitled Binomial Probabilitiy Distribution, Exercise Methods 32. Shows how to use Excel to calculate probability of less than a certain number occurring and at least a certain number occurring.
Resource to consult: https://www.triolastats.com/es13-excel-videos Section 5-2
View video 5-2 “Using Excel to Compute Binomial Probabilities” (https://www.youtube.com/watch?v=LgnNCLYBckg) and then complete the following tasks in a blank Excel worksheet:
Consider the following situation. The Office of Student Affairs receives numerous appeals from students seeking reevaluation of their enrollment status. The office has observed that, on average, 30% of appeals are successful. Suppose the office has recently received 15 appeals.
Calculate the probability that none of the appeals will be successful.
Determine the probability that exactly three appeals will be successful.
Find the probability that at least two appeals will be successful. At least two appeals means P(x≥2).
Compute the probability that less than half of the appeals will be successful. Less than half means P(x<8) or P(x≤7).
Save the completed worksheet as W4_Assignment.xls
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