Question

According to Summit Entertainment, 80% of the audience for the opening weekend of the movie Twilight:...

According to Summit Entertainment, 80% of the audience for the opening weekend of the movie

Twilight: New

Moon

was female. If a random sample of

n

= 100 members of the audience were sampled,

a.

What is the probability that the sample proportion of females would be greater than 0.85?

b.

What is the probability that the sample proportion of females would be between .75 and .78?

c.

Would a sample result of 88% be considered unusual? Why or why not?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose that the mean and standard deviation of the scores on a statistics exam are 87.9...
Suppose that the mean and standard deviation of the scores on a statistics exam are 87.9 and 5.76, respectively, and are approximately normally distributed. Calculate the proportion of scores above 87. Question 1 options: 1) 0.5621 2) 0.8223 3) 0.4379 4) 0.1777 5) We do not have enough information to calculate the value. Question 2 (1 point) The stock price for International Business Machines (IBM) historically has followed an approximately normal distribution (when adjusting for inflation) with a mean of...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT