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Author Question: We can reduce the margin of error in an interval estimate of p by doing any of the following EXCEPT ... (Read 97 times)

Capo

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on: Jun 24, 2018
We can reduce the margin of error in an interval estimate of p by doing any of the following EXCEPT _____.
 a. increasing the sample size
  b. using a planning value p closer to .5
  c. increasing the level of significance
  d. reducing the confidence coefficient

Question 2

Suppose x is a normally distributed random variable with a mean of 5 and a variance of 4 . The probability that x is greater than 10.52 is _____.
 a. .0029
  b. .0838
  c. .4971
  d. .9971


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hugthug12

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

.B

Answer to Question 2

a


Capo

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  • Posts: 545
Reply 2 on: Jun 24, 2018
Wow, this really help

robbielu01

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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