(Answered) Suppose that in the long run thirty percent of all vehicles

Statistics

Suppose that in the long run thirty percent of all vehicles passing through a tollbooth are 4WDs. If a random sample of 120 vehicles passing through the tollbooth is taken, what is the probability that the sample proportion containing 4WDs is between .25 and .33?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91781258
Price:- $10

Verified Expert

Priced at $20 Now at $10, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

1nbspfind the probability that among 16 randomly selected

1) Find the probability that among 16 randomly selected people; at least 4 believe that college is no longer a good investment. P ( x > or = 4), n=16, p=0.1 2) Find the probability that among 16 randomly selected people; ...

A population has a mean mu79 and anbspstandard deviation

A population has a mean μ=79 and a standard deviation σ=24. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=248 μx= ?Simplify your? answer. σx= rounded to three decimal ...

A 1995 study by the school of public health reported

A 1995 study by the School of Public Health reported that 87?% of male students who live in a fraternity house are binge drinkers. The figure for fraternity members who are not residents of a fraternity house is 71?%, wh ...

Ten students were sampled at random from a student

Ten students were sampled at random from a student population. Each was asked how many courses he or she was planning on studying in the upcoming year. The following is a list of the reported data values: 1, 2, 2, 3, 4, ...

Determine the sample size n needed to construct a 99

Determine the sample size n needed to construct a 99?% confidence interval to estimate the population mean when σ=24 and the margin of error equals 9.

The diameter of ping pong balls manufactured at a large

The diameter of Ping Pong balls manufactured at a large factory are approximately normally distributed with a mean diameter of 1.30 inches and a standard deviation of .04 inches. Use Excel to calculate the probability of ...

The table to the right shows the results of a survey in

The table to the right shows the results of a survey in which 2585 adults from Country A, 1116 adults from Country B, and 1064 adults from Country C were asked if human activity contributes to global warming. Complete pa ...

If the probability of either outcome a or outcome b arising

If the probability of either outcome A or outcome B arising during a single random process is 0.4 and we also know that the probability of outcome A is 0.2 while the probability of outcome B is 0.3, how are these two out ...

If you want to be 95 confident of estimating the population

If you want to be 95?% confident of estimating the population mean to within a sampling error of ±25 and the standard deviation is assumed to be 125?, what sample size is? required?

The probability of a potential employee passing a training

The probability of a potential employee passing a training course is 86%. If you selected 15 potential employees and gave them the training course, what is the probability that more than 12 will pass the test?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert