Find the approximate probability

Assignment Help Basic Statistics
Reference no: EM1383300

1)The driver of a truck loaded with 900 boxes of books will be fined if the total weight of the boxes exceeds 36450 pound. If the distribution of the weight of a box has a mean of 40 pounds and a variance of 36, find the approximate probability that the driver will be fined.

2) "How would you describe your own physical health at this time? Would you say physical health is-excellent, good, only fair, or poor?" The Gallup Poll asked this question of 1005 randomly selected adults, of whom 29% said "excellent." Suppose that in fact the proportion of the adult population who say their health is excellent is 0.29. What is the probability that the sample proportion of an SRS of size 1000 who say their health is excellent lies between 26% and 32%?

3) Suppose it can be assumed that 60 percent of adults favor capital punishment. Find the probability that on a jury of twelve members:

a) All will favor capital punishment.

b) There will be a tie.

4) When fifteen vehicles were observed at random for their speeds (in M.P.H.) on a freeway, the following data were obtained.

61   53   57   55   62   58   60   54   62   60   59   66   55   54   63

Suppose that from past experience it may be assumed that vehicle speed is normally distributed with standard deviation of 3.96. Construct a 93 percent confidence interval for the true mean speed.

5) A study on the amount of dye needed to get the best color for a certain type of fabric was conducted. The following data give the photometer readings for the color density of the fabric when the amount of dye used was 1% of the weight of the fabric.

13.2   11.5   12.9   13.0   11.7   10.4   12.1   12.1   11.5   10.3   11.7   12.3   11.2

Do the data demonstrate that the true mean photometer reading for the color density is significantly different from 12 at 3 percent level of significance?

Reference no: EM1383300

Questions Cloud

How to select peer-to-peer-server-based or hybrid network : Individual employees also should be able to control resources their own machines. Would you select peer-to-peer, a server-based, or a hybrid network? Explain why?
Discuss the values and beliefs : Critically discuss the values and beliefs that have led people in the United States to cherish a capitalist economy. Why do consumers purchase products such as fast food hamburgers and Nike shoes?
Annual power cost of the ro system : Is the system within membrane manufacturer's warranty requirement of maximum flux rate of 14 gfd? What is the annual power cost of the RO system?
Isolate the enzyme that synthesizes folic acid : Assume you isolate the enzyme that synthesizes folic acid in bacteria and conduct few enzyme kinetics experiments. You discover, not surprisingly, that sulfa drugs inhibit enzyme's activity
Find the approximate probability : Do the data demonstrate that the true mean photometer reading for the color density is significantly different from 12 at 3 percent level of significance?
Required to dewater a construction site : It is required to dewater a construction site 80 m by 80 m. The bottom of the construction will be 1.5 m below the initial water surface elevation of 90 m.
Create and implement a lexical analyzer for c : Create and implement a lexical analyzer for C-- as follows: Write the set of token types to be returned by lexical analyzer. Explain regular expressions for this set of token types.
Accumulation of acetyaldehyde : It is the accumulation of acetyaldehyde that results in flushed face, dizziness, and light headedness responses that are associated with ethanol intoxication.
Build up a two-way anova analysis : Formula for sample size n with given margin of error m and con dence level C for population proportion and please simplify the model by dropping the insigni cant terms

Reviews

Write a Review

Basic Statistics Questions & Answers

  Elucidate amount of sales would be required to be a gold

Illustrate what amount of sales would be required to be a super savings club member. Elucidate amount of sales would be required to be a gold club status.

  Pattern of correlation is statistically important

Explain in words general pattern of correlation is statistically important.

  Findout the probability value for normal distribution

Findout the probability value for normal distribution. Illustrate the weight of football players is normally distributed with a mean of 200 pounds also a standard deviation of 25 pounds.

  Congressional candidate and true proportion

He would like to estimate with .05 of the true proportion with a confidence level of 90%. What is the sample size needed?

  Describing optimal solution and objective function

Solve problem graphically1. Describe optimal solution and objective function value in context of the problem.

  Find the estimated regression equation

Multiple choice question based on multiple regression - partial computer output based on a sample of 16 observations and find the estimated regression equation

  Sampling design for given data

Choosing the appropriate the sampling design for the given data

  Hypothesis testing for difference among two population mean

Which test should we use to determine whether the difference between Mesa and Tempe is statistically significant? Why? Should it be one or two-tailed?

  Standard error when sample size given

As sample size increases, the standard error of M _______________ .

  Probability based on bivariate normal distribution

Suppose that a model for the joint distribution of these rvs is a bivariate normal distribution.

  Statistics questions

A sample of 160 workers in the downtown area classified each worker by race. A bar graph of the results is given below, but the bar for black workers in the graph below has been omitted.

  Hypothesis test

Using one mean t test to determine whether or not to support the claim -  hypothesis test that WORKS THE SAME as the z-test

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!

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