This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The amount of time workers spend commuting to their jobs each day in a large metropolitan city has a ... (Read 127 times)

RYAN BANYAN

  • Hero Member
  • *****
  • Posts: 563
on: Jun 24, 2018
The amount of time workers spend commuting to their jobs each day in a large metropolitan city has a mean of 70 minutes and a standard deviation of 20 minutes. Assuming nothing is known about the shape of the distribution of commuting times, what percentage of these commuting times are between 30 and 110 minutes?
 
  A) at least 0 B) at least 95 C) at least 75 D) at least 89

Question 2

Classify the following random variable according to whether it is discrete or continuous.
  The speed of a car on a Los Angeles freeway during rush hour traffic
 
  A) discrete B) continuous


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Tonny

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

B


RYAN BANYAN

  • Hero Member
  • *****
  • Posts: 563
Reply #2 on: Jun 24, 2018
Correct answers!


Tonny

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Jun 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Large male reindeer Large male reindeer
Large Tortoiseshell Large Tortoiseshell
The Serial Reaction Time Task The Serial Reaction Time Task
Maximal Heart Rate Over Time Maximal Heart Rate Over Time
Time vs. USA Population Exponential Time vs. USA Population Exponential
The distribution of the number of hours that a random sample of people spend doing chores per ... The distribution of the number of hours that a random sample of people spend doing chores per ...
Video: Primary and secondary response to infection

For a complete list of videos, visit our video library