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Consider the probability that at least 99 out of 157 students will pass their college placement exams. Assume the probability that a given student...

Consider the probability that at least 99 out of 157 students will pass their college placement exams. Assume the probability that a given student will pass their college placement exam is 65%.

Approximate the probability using the normal distribution. Round your answer to four decimal places.

P(Z &gt; (98.5 - 0.65 *... View the full answer

1 comment
• Vipul01
• Oct 11, 2016 at 10:38pm

sample proportion 'p' = 99/157 = 0.6306 population proportion P = 0.65 standard error = sqrt(PQ/n) =... View the full answer

1 comment
• RajuStat
• Oct 11, 2016 at 10:40pm

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