Question #330237

The weights of students in a certain school are normally distributed with a mean weight of 66 kg. 10% have a weight greater than 70kg. What percentage of students weighs between 62kg and 66kg?


1
Expert's answer
2022-04-19T01:07:00-0400

The normal distribution is symmetric:

P(W≤66)=P(W≥66)=50%P(66−4=62≤W≤66)==P(66≤W≤70=66+4)==50%−P(70≤W)=40%P(W\le66)=P(W\ge66)=50\%\\ P(66-4=62\le W\le66)=\\ =P(66\le W\le70=66+4)=\\ =50\%-P(70\le W)=40\%


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
"assignmentexpert.com" is professional group of people in Math subjects! They did assignments in very high level of mathematical modelling in the best quality. Thanks a lot
Canada #339914 on Dec 2023