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Author Question: The number of customers who arrive at a fast food business during a one-hour period is known to be ... (Read 120 times)

Pea0909berry

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on: Jun 24, 2018
The number of customers who arrive at a fast food business during a one-hour period is known to be Poisson distributed with a mean equal to 8.60. The probability that between 2 and 3 customers inclusively will arrive in one hour is 0.0263.
 
  Indicate whether the statement is true or false

Question 2

Given a population in which the probability of success is p = 0.20, if a sample of 500 items is taken, then calculate the probability the proportion of successes in the sample will be between 0.18 and 0.23 if the sample size is 200.
 
  A) 0.8911
  B) 0.7121
  C) 0.8712
  D) 0.6165


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meow1234

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

TRUE

Answer to Question 2

D


Pea0909berry

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Reply 2 on: Jun 24, 2018
Gracias!

mcarey591

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Reply 3 on: Yesterday
:D TYSM

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