Vinu P.

asked • 08/25/20

Data Questions(Listed in Description)

1.A team of 7 students is to be selected from a class of 30.

a. Aaron, Brad and Charles are students in this class. What is the probability that team includes these 3 students?

b. How many team would not include all three students?

*Would you use indirect reasoning for b?


2.The results for a university entrance exam are normally distributed with µ = 48 and σ = 9 . What is the probability that an exam chosen at random will have a score greater than 63, but less than 73? (Assume data is continuous)


3.By using binomial distribution and normal approximation to answer a question, do you get the same answer from both methods?



1 Expert Answer

By:

Vinu P.

thank you for your help!
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08/25/20

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