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Author Question: A new soft drink is being market tested. It is estimated that 60 of consumers will like the new ... (Read 127 times)

Bob-Dole

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A new soft drink is being market tested. It is estimated that 60 of consumers will like the new drink. A sample of 96 taste-tested the new drink.
 a. Determine the standard error of the proportion
  b. What is the probability that more than 70.4 of consumers will indicate they like the drink?
  c. What is the probability that more than 30 of consumers will indicate they do NOT like the drink?

Question 2

Assume z is a standard normal random variable. Then P(1.41 < z < 2.85) equals _____.
 a. .4772
  b. .3413
  c. .8285
  d. None of the answers is correct.



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yotaSR5

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Answer to Question 1

a. .05
b. .0188
c. .9772

Answer to Question 2

d




yotaSR5

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