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Author Question: The speeds of the fastballs thrown by major league baseball pitchers were measured by radar gun. The ... (Read 121 times)

EAugust

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on: Jun 24, 2018
The speeds of the fastballs thrown by major league baseball pitchers were measured by radar gun. The mean speed was 87 miles per hour. The standard deviation of the speeds was 3 mph. Which of the following speeds would be classified as an outlier?
 
  A) 97 mph B) 92 mph C) 81 mph D) 84 mph

Question 2

The number of traffic accidents that occur on a particular stretch of road during a month follows a Poisson distribution with a mean of 8.8. Find the probability of observing exactly five accidents on this stretch of road next month.
 
  A) 1.778130 B) 0.066289 C) 2.963192 D) 79.484492


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zogaridan

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

A

Answer to Question 2

B


EAugust

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Reply 2 on: Jun 24, 2018
Excellent

bulacsom

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Reply 3 on: Yesterday
Wow, this really help

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