Question #267309

If 50 randomly selected college students take the examination, what is the probability that the mean time it takes the group to complete the test will be less than 43 minutes?

1
Expert's answer
2021-11-17T15:47:43-0500

P(Xˉ<43)=P(Z<43−46.2850)=P(Z<−2.83)=0.0023.P(\bar X<43)=P(Z<\frac{43-46.2}{\frac{8}{\sqrt{50}}})=P(Z<-2.83)=0.0023.


Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Place free inquiry
Calculate the price
Learn more about our help with Assignments: Statistics and Probability

Comments

No comments. Be the first!
Our fields of expertise
Submit Your Assignment. We Can Do It.
LATEST TUTORIALS
APPROVED BY CLIENTS
Finding a professional expert in "partial differential equations" in the advanced level is difficult. You can find this expert in "Assignmentexpert.com" with confidence. Exceptional experts! I appreciate your help. God bless you!
Canada #340153 on Dec 2023