Question

Consider the probability that at most 93 out of 127 students will pass their college placement...

Consider the probability that at most 93 out of 127 students will pass their college placement exams. Assume the probability that a given student will pass their college placement exam is 53%. Specify whether the normal curve can be used as an approximation to the binomial probability by verifying the necessary conditions.

the answer will be in yes or no format

Homework Answers

Answer #1

Solution :

Given that,

p = 0.53

q = 1 - p = 0.47

n = 127

Using binomial distribution,

= n * p = 127 * 0.53 = 67.31

= n * p * q = 127 * 0.53 * 0.47 = 4.6246

Using continuity correction ,

= P((x - ) / < (93.5 - 67.31) / 4.6246)

= P(z < 5.66)

= 1

Probability = 1

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