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Author Question: Excel's __________ can be used to construct a crosstabulation. a. Chart Tools b. SUM function c. ... (Read 113 times)

tuffie

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on: Jun 24, 2018
Excel's __________ can be used to construct a crosstabulation.
 a. Chart Tools
  b. SUM function
  c. PivotTable report
  d. COUNTIF function

Question 2

The life expectancy in the United States is 75 with a standard deviation of 7 years. A random sample of 49 individuals is selected.
 a. What is the probability that the sample mean will be larger than 77 years?
  b. What is the probability that the sample mean will be less than 72.7 years?
  c. What is the probability that the sample mean will be between 73.5 and 76 years?
  d. What is the probability that the sample mean will be between 72 and 74 years?
  e. What is the probability that the sample mean will be larger than 73.46 years?


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Carissamariew

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

c

Answer to Question 2

a. 0.0228
b. 0.0107
c. 0.7748
d. 0.1573
e. 0.9382


tuffie

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  • Posts: 534
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

nguyenhoanhat

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

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