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

Author Question: The time taken to deliver a pizza has a uniform probability distribution from 20 minutes to 60 ... (Read 99 times)

waynest

  • Hero Member
  • *****
  • Posts: 553
on: Jul 24, 2018
The time taken to deliver a pizza has a uniform probability distribution from 20 minutes to 60 minutes. What is the probability that the time to deliver a pizza is at least 25 minutes?
 a. 0.125
  b. 0.300
  c. 0.700
  d. 0.875

Question 2

A survey at a large public university reveals that many students hold a (part-time) job while going to college. Out of 127 female students surveyed, 95 have a job and out of 143 male students, 97 have a job. Calculate a 95 confidence interval for the difference in proportions.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mmj22343

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

(-0.0378, 0.1772)


waynest

  • Member
  • Posts: 553
Reply 2 on: Jul 24, 2018
Wow, this really help

mjenn52

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Environmental factors restricting the distribution of Chthamalus to the upper intertidal zone. Environmental factors restricting the distribution of Chthamalus to the upper intertidal zone.
Devices used to deliver respiratory drugs: (a) metered-dose inhaler Devices used to deliver respiratory drugs: (a) metered-dose inhaler
Shy children often have a high arousal level in novel social situations. Over time, parents can help ... Shy children often have a high arousal level in novel social situations. Over time, parents can help ...
Healthier choices can be made when time is taken to read a nutrition label. Healthier choices can be made when time is taken to read a nutrition label.
Distribution and Forms of Precipitation: Rain Distribution and Forms of Precipitation: Rain
Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body
Video: Membrane transport proteins - pores, gated channels and pumps

For a complete list of videos, visit our video library