Question

7.13 A marketing survey is conducted in which students are to taste two different brands of soft drink. Their task is to corr

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

Ans:

population proportion=0.5

n=200

standard error of p-hat=sqrt(0.5*(1-0.5)/200)=0.0354

a)

z(0.5)=0

z(0.60)=(0.60-0.50)/0.0354=2.82

P(0<z<2.82)=P(z<2.82)-P(z<0)

=0.9976-0.5=0.4976

b)

lower limit=0.5-1.645*0.0354=0.442

upper limit=0.5+1.645*0.0354=0.558

c)

z=(0.55-0.5)/0.0354

z=1.414

P(z>1.414)=0.0786

  

Add a comment
Know the answer?
Add Answer to:
7.13 A marketing survey is conducted in which students are to taste two different brands of...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

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