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Author Question: The price of a stock is uniformly distributed between 30 and 40. a. What is the probability that ... (Read 82 times)

crobinson2013

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on: Jun 24, 2018
The price of a stock is uniformly distributed between 30 and 40.
 a. What is the probability that the stock price will be more than 37?
  b. What is the probability that the stock price will be less than or equal to 32?
  c. What is the probability that the stock price will be between 34 and 38?
  d. Determine the expected price of the stock.
  e. Determine the standard deviation for the stock price.

Question 2

A manufacturer wants to estimate the proportion of defective items that are produced by a certain machine. A random sample of 50 items is selected. Which Excel function would NOT be appropriate to construct a confidence interval estimate?
 a. NORM.S.INV
  b. COUNTIF
  c. STDEV
  d. All of these answers are correct.


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Bigfoot1984

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Reply #1 on: Jun 24, 2018
Answer to Question 1

a. .3
b. .2
c. .4
d. 35
e. 2.89

Answer to Question 2

c


crobinson2013

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

Joy Chen

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Reply 3 on: Yesterday
Gracias!

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