Seventy three percent of drivers carry jumper cables in their vehicles. from a random sample of...

Seventy three percent of drivers carry jumper cables in their vehicles. from a random sample of 315 driver

A. What is the probability that exactly 225 carry jumper cables in their vehicle

B. What is the probability that at most 225 carry jumper cables in their vehicle

C. What is the probability that more than 210 carry jumper cables in their vehicle

D. What is the mean value of the number of driver that carry jumper cable in their vehicle

E. What is the standard deviation

Solutions

Expert Solution

orchestra answered 1 year ago

Next > < Previous

Related Solutions

1) Jumper cables used to start a stalled vehicle oen carry a 70-A current. How strong...

1) Jumper cables used to start a stalled vehicle oen carry a 70-A current. How strong is the magnetic field 5.0 cm from one cable? Compare to the Earth’s magnetic field (5.0 × 10−5 T). 2) A power line carries a current of 100 A west along the tops of 10-m-high poles. (a) What is the magnitude and direction of the magnetic field produced by this wire at the ground directly below? How does this compare with the Earth’s magnetic...

A set of jumper cables used to start a car from another car's battery is connected...

A set of jumper cables used to start a car from another car's battery is connected to the terminals of both batteries. If 20 A of current exists in the cables during the starting procedure and the cables are parallel and 20 cm apart, do the wires repel or attract? If 20 of current exists in the cables during the starting procedure and the cables are parallel and 20 apart, do the wires repel or attract? attract repel SubmitPrevious Answers Correct Part...

Seventy-six percent of small business owners do not have a college degree. If a random sample...

Seventy-six percent of small business owners do not have a college degree. If a random sample of 60 small business owners are selected, find the probability that exactly 50 will not have a college degree.

Seventy percent of all vehicles examined at a certain emissions inspection station pass the inspection. Suppose...

Seventy percent of all vehicles examined at a certain emissions inspection station pass the inspection. Suppose a random sample of 12 cars is selected. Assuming that successive vehicles pass or fail independently of one another calculate each of the following. a.)What is the expected number of vehicles to pass? b.)What is the probability that the number of the 12 cars selected that pass is within one standard deviation of the expected value?

Seventy-one successes were observed in a random sample of n = 120 observations from a binomial...

Seventy-one successes were observed in a random sample of n = 120 observations from a binomial population. You wish to show that p > 0.5. State the null and alternative hypothesis. H0: p ≠ 0.5 versus Ha: p = 0.5H0: p < 0.5 versus Ha: p > 0.5 H0: p = 0.5 versus Ha: p ≠ 0.5H0: p = 0.5 versus Ha: p > 0.5H0: p = 0.5 versus Ha: p < 0.5 Calculate the appropriate test statistic. (Round your answer...

Seventy-five percent (75%) of vehicles on a freeway violate the speed limit. You randomly clock n...

Seventy-five percent (75%) of vehicles on a freeway violate the speed limit. You randomly clock n = 100 vehicles. 32 What is the probability that between 70 and 80 vehicles violate the speed limit? P(70 ≤ x ≤ 80) = ________ a 0.7967 b 0.8320 c 0.8550 d 0.8835 33 In repeated experiment of clocking 100 vehicles what is the expected value of the number of vehicles which violate the speed limit? a 75 b 72 c 68 d 65...

. A researcher selects a random sample of 10 persons from a population of truck drivers...

. A researcher selects a random sample of 10 persons from a population of truck drivers and gives them a driver’s aptitude test. Their scores are 22,3,14,8,11,5,18,13,12, and 12. (a) Find the estimated standard error of the mean. (b) Find the 95% confidence interval for the population mean.

In 2012, seventy percent of Canadian households had an internet connection. A sample of 484 households...

In 2012, seventy percent of Canadian households had an internet connection. A sample of 484 households taken in 2013 showed that 75% of them had an internet connection. We are interested in determining whether or not there has been a significant increase in the percentage of the Canadian households that have internet connections. Please design your hypothesis test (2 points), conduct the test (2 points ) and draw your conclusion accordingly (1 point)

What test does this argument fail? What fallacy does the argument contain? Seventy-three percent of the...

What test does this argument fail? What fallacy does the argument contain? Seventy-three percent of the people surveyed said that they wanted universal health care coverage. Fifty-four percent said that they were worried about the cost of the program or the quality of the care that would be provided. Therefore, the American people are opposed to the President’s health care reform legislation

Forty percent of business travelers carry either a cell phone or a laptop. For a sample...

Forty percent of business travelers carry either a cell phone or a laptop. For a sample of 15 business travelers, make the following calculations. a. Compute the probability that three of the travelers carry a cell phone or laptop. b. Compute the probability that 12 of the travelers carry neither a cell nor a laptop. c. Compute the probability that at least three of the travelers carry a phone or a laptop.

Subjects