This topic contains a solution. Click here to go to the answer

Author Question: Which of the following distributions is appropriate to measure the length of time between arrivals ... (Read 150 times)

HCHenry

  • Hero Member
  • *****
  • Posts: 591
Which of the following distributions is appropriate to measure the length of time between arrivals at a grocery checkout counter?
 a. Binomial
  b. Normal
  c. Exponential
  d. Poisson
  e. Hypergeometric

Question 2

Suppose an actual census showed that 18.4 of the households in California have incomes in excess of 50,000 . What is the probability that the sample proportion will be 0.22 or greater for a random sample of 750 households from a city population which totals 10,000?
 a. 0.0055
  b. 0.9945
  c. 0.9949
  d. 0.0041
  e. Not enough information given for estimation.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vish98

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

C

Answer to Question 2

D




HCHenry

  • Member
  • Posts: 591
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)


xthemafja

  • Member
  • Posts: 348
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

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?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

For a complete list of videos, visit our video library