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Author Question: Which of the following distributions is appropriate to measure the length of time between arrivals ... (Read 170 times)

HCHenry

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on: Jun 24, 2018
Which of the following distributions is appropriate to measure the length of time between arrivals at a grocery checkout counter?
 a. Binomial
  b. Normal
  c. Exponential
  d. Poisson
  e. Hypergeometric

Question 2

Suppose an actual census showed that 18.4 of the households in California have incomes in excess of 50,000 . What is the probability that the sample proportion will be 0.22 or greater for a random sample of 750 households from a city population which totals 10,000?
 a. 0.0055
  b. 0.9945
  c. 0.9949
  d. 0.0041
  e. Not enough information given for estimation.


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vish98

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

C

Answer to Question 2

D


HCHenry

  • Member
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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

xiaomengxian

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  • Posts: 311
Reply 3 on: Yesterday
Wow, this really help

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