Suppose our random variable is the braking distance of a certain car in feet on a dry surface when going 55mph. The mean braking distance is 148 feet and the standard deviation is 2.64 feet. We randomly sample 33 braking distances from this population, what is the probability that the mean braking distance for the sample is between 147.6 feet and 150 feet?

Q: A population has a standard deviation of 25 and a mean of 300. Given a random sample of size 100,…

A:

Q: A particular fruit's weights are normally distributed, with a mean of 381 grams and a standard…

A: Given μ=381σ=25n=33

Q: last a. Find probability that the average amount of time required to make an oil change in the…

A: It is given asMean = 35.6Standard deviation = 7.5Sample size = 100

Q: A particular fruit's weights are normally distributed, with a mean of 783 grams and a standard…

A: Given: Population mean (µ) = 783 Population standard deviation (σ) = 20 Sample size (n) = 24…

Q: A population has a mean of 33 and a standard deviation of 5 . What is the probability that the…

A: Population mean=33Population standard deviation=5Sample size n=58

Q: A random sample of 25 observations yield a mean of 116 and a standard deviation of 12. What is the…

A: Given data,Mean μ=116sd σ=12P(X>1150)=?

Q: Assume that a procedure yields a binomial distribution with a trial repeated n = 14 times. Use…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A particular fruit's weights are normally distributed, with a mean of 653 grams and a standard…

A: Given: A particular fruit's weights are normally distributed, mean   653 grams  standard deviation…

Q: A particular fruit's weights are normally distributed, with a mean of 783 grams and a standard…

A: It is given that the mean is 783 and the standard deviation is 24.

Q: A particular fruit's weights are normally distributed, with a mean of 450 grams and a standard…

A:

Q: In 1999, the murder rates (per 100000) for the 50 states and the District of Columbia had a mean of…

A: Given mean is 5.9 and standard deviation 6.3 sample size is 5

Q: A sample of 235 students was taken for an exploratory study. Each member of a random 35 of these…

A: Since the sample size is sufficiently large, and the population standard deviation is known, the…

Q: A particular fruit's weights are normally distributed, with a mean of 639 grams and a standard…

A: The population mean and standard deviation are 639 grams and 36 grams respectively. It is given that…

Q: A particular fruit's weights are normally distributed, with a mean of 526 grams and a standard…

A: Given that, Mean = 526 Standard deviation = 36 Sample size = 7

Q: A particular fruit's weights are normally distributed, with a mean of 657 grams and a standard…

A: Let X: a particular fruit's weightsX~N(μ,σ)where mean(μ)=657 grams  standard deviation(σ)=38 grams…

Q: Assume thAt scores on a standardized test are known to follow a bell shaped distribution with a mean…

A: L

Q: A particular fruit's weights are normally distributed, with a mean of 702 grams and a standard…

A: Introduction: Define X as the random variable of interest here, denoting the weight of a randomly…

Q: The students in a certain high school have an average height of 160 cm with a standard deviation of…

A: Given : Sample size = n = 50 standard deviation = σ = 12

Q: Give your answer to the nearest gram.

A: From given data we have : μ=678,σ=8,n=13

Q: According to the study, the average number of hours that the student spent studying per week in the…

A: From the provided information, Mean (µ) = 56 hours Standard deviation (σ) = 14 hours X~N (56, 14)

Q: A particular fruit's weights are normally distributed, with a mean of 222 grams and a standard…

A: Solution: Let X be the  fruit's weights are normally distributed with mean 222 grams and standard…

Q: t random, then 8% of the time, their mean weight will be greater than how many grams? Give your…

A: According to the sum, A particular fruit's weights are normally distributed, with a mean of 596…

Q: A researcher wishes to estimate the average height of men for a certain region of the country. If…

A: Probability is the measure determine the likelihood of an event. Event is the outcome of an…

Q: Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

A: Givenaverage length of trout caught in Pyramid Lake is μ = 20 inches.Sample size = 37sample mean =…

Q: A particular fruit's weights are normally distributed, with a mean of 367 grams and a standard…

A:

Q: A particular fruit's weights are normally distributed, with a mean of 724 grams and a standard…

A: Given Mean=724 Standard deviation=9 n=18

Q: A particular fruit's weights are normally distributed, with a mean of 256 grams and a standard…

A: given data  normal distribution μ = 256σ = 29n = 8P(x¯>z) = 0.17

Q: Pyramid Lake is en the Paiute andan Reservation in Nevada. The lake is famous for cuthreat trout.…

A: a)   Assume that μ is the true mean length of trout caught in Lake P.

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

Q: The speed limit on Interstate 81 in Susquehanna County is 70 miles per hour (mph).  On a clear day…

A: The speed limit on Interstate 81 in Susquehanna County is 70 miles per hour (mph) The mean speed of…

Q: The manufacturer of cans of salmon that are supposed to have a net weight of 6 ounces tells you that…

A: Given,sample size(n)=33mean(μ)=5.97standard deviation(σ)=0.1

Q: There is a large supply of light bulbs with the average life of 900 hours and the standard deviation…

A: It is given that the mean is 900 hours and the standard deviation is 60 hours.

Q: A particular fruit's weights are normally distributed, with a mean of 302 grams and a standard…

A: From the provided information, Mean (µ) = 302 grams Standard deviation (σ) = 16 grams X~N (302, 16)

Q: The speed limit on Interstate 81 in Susquehanna County is 70 miles per hour (mph). On a clear day…

A: Solution-: Given: μ=77.9mph,σ=8.2mph We find, P(a randomly selected car is going over 85 mph)=?

Q: You obtained IMDB scores of all movies and see that they are normally distributed with a mean of 6.7…

A:

Q: A particular fruit's weights are normally distributed, with a mean of 421 grams and a standard…

A: Given Population Mean, μ=421 Population standard deviation, σ=20 Sample size, n=3

Q: The mean number of words per minute (WPM) read by sixth graders is 95 with a variance of 196. If…

A: According to the provided information,

Q: Blood pressure is distribued Normally, with a mean of 85 mm and a standard deviation of 20 mm. As a…

A:

Q: A particular fruit's weights are normally distributed, with a mean of 465 grams and a standard…

A: Solution: Let X be the weight of a particular fruit. From the given information, X follows normal…

Q: day. b. A new kind of Covid vaccine is being developed by a medical research team. To test the…

A: here sample standard deviation  = s= 4.7 sample size  n = 16

Q: A particular fruit's weights are normally distributed, with a mean of 751 grams and a standard…

A: Draw the normal curve and shade the area of 0.17 to the right of z under the normal curve. Since…

Q: The average score of all golfers for a particular course has a mean of 61 and a standard deviation…

A: Mean()=61Standard deviation()=4Sample size(n)=64

Q: A particular fruit's weights are normally distributed, with a mean of 431 grams and a standard…

A: Let X be the mean weight in grams. X is normally distributed with mean, μ=431 grams and standard…

Q: A random sample of 25 observations yield a mean of 106 and a standard deviation of 12. What is the…

A: It is given that mean and standard deviation are106 and 12, respectively.By using central limit…

Q: A particular fruit's weights are normally distributed, with a mean of 678 grams and a standard…

A: Normal distribution is a continuous probability distribution which has many real life applications.…

Q: A particular fruit's weights are normally distributed, with a mean of 452 grams and a standard…

A: Given: μ = 452 σ = 24 Thus, X ~ N(μ = 452, σ = 24) The probability that a randomly selected fruit…