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Author Question: A soap manufacturer wants to know within +4 percentage points what percentage of households use ... (Read 44 times)

amal

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on: Jun 29, 2018
A soap manufacturer wants to know within +4 percentage points what percentage of households use liquid soaps. To be 95 confident in the estimate, how many households should be sampled? (Note: a confidence interval greater than +4 percentage points is unacceptable.)
 a. 600
  b. 625
  c. 700
  d. 750
  e. 550

Question 2

p =  n is the
 a. proportion of successes in n trials.
  b. level of precision.
  c. standard error of the proportion.
  d. unbiased estimate of the population proportion.
  e. standard error of the mean.


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covalentbond

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Reply #1 on: Jun 29, 2018
Answer to Question 1

b

Answer to Question 2

C


amal

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Reply 2 on: Jun 29, 2018
Thanks for the timely response, appreciate it

pangili4

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Reply 3 on: Yesterday
Wow, this really help

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