User Account

All Pages

What is the standard deviation of this distribution

Assignment Help Basic Statistics
Reference no: EM132139568

For planning purposes, truss manufacturers must try to predict the number of hurricanes that will hit the eastern seaboard of the United States in any given year. If this area is hit with an average of 6 hurricanes per year, find the probability that in a given year...

a) ...fewer than 3 hurricanes will hit this area. 

b) ...between 6 and 8 hurricanes (inclusive) will hit this area.  

c) What is the standard deviation of this distribution?  

Reference no: EM132139568

Questions Cloud

What is being asked in question : Find the probability that... (Hint: first determine what is a 'success' and what is a 'failure' based on what is being asked in each question)
Discuss the ways that formal policies of government have : The United States went through dramatic economic change during and after the Civil War, as industrialization spread rapidly and changed society.
Find the probability that two are grade a : If six pieces come off of a hot press, find the probability that two are Grade A, three are Grade B, and one is a Cull.
Plot the above relationships and interpret the differences : Plot the above relationships and interpret the differences between the slopes and intercepts in intuitive terms. Do you think that the difference.
What is the standard deviation of this distribution : For planning purposes, truss manufacturers must try to predict the number of hurricanes that will hit the eastern seaboard of the United States in any given
Which cd does yield the higher interest : Suppose you are considering investing $1,000 in one of the following bank CDs (certificate of deposit). Which CD does yield the higher interest?
Considering buying a fourth feller buncher to offset : The contractor is considering buying a fourth feller buncher to offset the possibility of none of the machines operating.
Who were the primary combatants : When and where did the war(s) take place? What were the primary objectives of the war(s)?
Explain why the outcome might not be pairwise efficient : Suppose a firm has a labor demand curve given by w = 20 - 0.01E. Furthermore, suppose that the union representing workers in the firm derives utility.

Reviews

Write a Review

Basic Statistics Questions & Answers

  What percentage of cities would you expect to have burglary

If someone guessed that the burglary rate in one of the cities was 0, would you agree that that number was consistent with this data set?

  Solve the equations using linear algebra

Solve the equations using linear algebra

  Pipelines unknown to many individuals

Why are pipelines unknown to many individuals? Do you think the pipelines should advertise to change this?

  Develop a 98 confidence interval for the proportion

during a national debate on changes to health care a cable news service performs an opinion poll of 470 small-business

  Find the optimal daily production combination of desks

The furniture manufacturer wishes to find the optimal daily production combination of desks and chairs in order to maximize profit in a given day.

  Probability that one member of married couple will vote

Is 0.21, the probability that his wife will vote in the referendum is0.28, and the probability that both the husband and wife will voteis 0.15. What is the probability that: at least one member of a married couple will vote?

  What is expected rate of return year on average

If you set aside $10,000 every year,how do you invest? What is your expected rate of return each year on average?

  Probability of a decreasing employment

Let the probability of a decreasing employment be 0.6 and the probability of a positive economic trend 0.5. Further, assume that the probability of a decreasing employment given a negative economic trend is 0.7.

  Find the percentile rank for a score

For the 20 test scores shown, find the percentile rank for a score of 86. 75 63 92 74 86 50 77 82 98 65 71 89 75 66 87 59 70 83 91 73. 75th percentile 30th percentile 80th percentile 70th percentile???

  Develop grouped data frequency distribution for airport data

Orlando, Florida, is a well-known, popular vacation destination visited by tourists from around the world. Consequently, the Orlando International Airport.

  Percentage of light bulbs having life

If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, what percentage of light bulbs have a life less than 2500 hours?

  Determine the president approval rating

Give the name of the kind of sampling that was most likely used in each of the following cases: a Wall Street Journal poll of 2,000 people to determine the president's approval rating

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd