Question

2. The weight of potato chips in a medium-size bag is stated to be 10 ounces....

2. The weight of potato chips in a medium-size bag is stated to be 10 ounces. The amount that the packaging machine puts in these bags is believed to have a Normal model with mean 10.2 ounces and standard deviation 0.12 ounces. Some of the chips are sold in “bargain packs” of 3 bags. What’s the probability that the mean weight of the 3 bags is below the stated amount?

Please show all work.

Please no handwritten work, just typed.

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

GIVEN:

mean=10.2

standard deviation=0.12

n=3

the probability that the mean weight of the 3 bags below the stated amount

p(xbar less than 10)= P(X < 10)

=p(x-µ/σ/N < 10-10.2/0.12/ √ 3)

= p(z<-0.2/0.07)

=p(z<-2.85)

=1-p(z<2.85)

= 1-0.0978

=0.0022

  

Add a comment
Know the answer?
Add Answer to:
2. The weight of potato chips in a medium-size bag is stated to be 10 ounces....
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