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Author Question: A carton containing 75 towels is inspected. Each towel is rated first quality or irregular. After ... (Read 50 times)

joesmith1212

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on: Jul 24, 2018
A carton containing 75 towels is inspected. Each towel is rated first quality or irregular. After all 100 towels are inspected, the number of irregulars is reported as a random variable. Explain why x is a binomial variable

Question 2

Which of the following statements is false?
 a. A bar chart and histogram can be used interchangeably.
  b. The bars on a bar chart have the same width.
  c. The simplest graph for quantitative data is the dotplot.
  d. There are gaps between the bars in a bar chart.
  e. All of these.


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whitcassie

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

x is a binomial variable since it satisfies the following properties:
n = 75 repeated identical independent trials (towels), there are only two outcome (first quality, irregular), p =P(success) = P(irregular), x = number of irregular towels that may take on any integer value from 0 to 75.

Answer to Question 2

A


joesmith1212

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Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

deja

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

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