8) Transportation officials tell us that 80% of drivers wear seat belts while driving. Usenormal approximation to the binomial distribution with continuity correction to findthe probability that between 656 and 665 (inclusive) drivers in a sample of 850drivers wear seat belts?A) 0,078B) 0.089C) 0.107D) 0.886

Given that Population proportion p=80%=0.80 Sample size n=850 Here we use normal approximations to…

Answered: 8) Transportation officials tell us…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Use a normal approximation to find the probability of the indicated number of voters. In this case, assume that 181 eligible voters aged 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged 18-24, 22% of them voted. Probability that exactly 43 voted The probability that exactly 43 of 181 eligible voters voted is (Round to four decimal places as needed.)
17).
n studies for a medication, 15 percent of patients gained weight as a side effect. Suppose 541 patients are randomly selected. Use the normal approximation to the binomial to approximate the probability that a) exactly 82 patients will gain weight as a side effect. (b) no more than 82 patients will gain weight as a side effect. (c) at least 92 patients will gain weight as a side effect. What does this result suggest? Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) P(82)= (Round to four decimal places as needed) www.
Assume that 64% of drivers ed students pass their driving test, and that thissituation is modeled by a binomial distribution. Using the normal approximation to the binomial distribution, what is the probability that among n = 2500 students nationally who take the driving test this year, no more than 1650 will pass the driving test?
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Suppose that the speed at which cars go on the freeway is normally distributed with mean 80 mph and standard deviation 10 miles per hour. Let X be the speed for a randomly selected car. a. What is the distribution of X? X - N( b. If one car is randomly chosen, find the probability that it is traveling more than 79 mph. Round to 4 decumal places. c. If one of the cars is randomly chosen, find the probability that it is traveling between 83 and 86 mph. Round to 4 decimal places.
use a normal approximation to find the probability of the indicated number of voters. in the case, assume that 136 eligible voters aged 18-24 are randomly selected. suppose a previous study showed that among eligible voters aged 18-24, 22% of them voted. probability that exactly 36 voted.
3. Calculate the mean, variance, and standard deviation of a binomial probability distribution, using the data: n = 9, x = 6, q = 0.75. a) Average b) Variance c) Standard Deviation
Use a normal approximation to find the probability of the indicated number of voters. In this case, assume that 131 eligible voters aged 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged 18-24, 22% of them voted. Probability that fewer than 32 voted
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