Question

How to do C and D for following:

How to do C and D for following:

0 0
Add a comment Improve this question Transcribed image text
Answer #1

The scores of 95% of the students are between a lover value of 286-2(32-286-64 = 222 and an upper value of 286 + 2(32) 286 +

The scores of 95 %  of the students are between a lower value  of  222 and  an  upper value of 350

normal distribution From (c)0.8 P(z >-0.8)-1-Plz <-0.8) table 1-0.21 19 0.7881 (d)-0.8< Z<1.91 P(-0.8 < Z < 1.91) = P(z < 1.9

normal distribution From (c)0.8 P(z >-0.8)-1-Plz <-0.8) table 1-0.21 19 0.7881 (d)-0.8< Z<1.91 P(-0.8 < Z < 1.91) = P(z < 1.91)-P(z <-0.8) = 0.9719-0.2119 0.7600

Add a comment
Know the answer?
Add Answer to:
How to do C and D for following:
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT