Data for a large company shows the average length of time an employeestays with the company is 8.5 years with a standard deviation of 2.9 years. If thedata is normally distributed, find the probability a randomly selected worker hasworked for the company more than 13 years. a. 0.0606b. 0.0985c. 0.9015d. 0.9394

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=100 and a standard…

A:

Q: The average number of electronic messages received in a day on a smartphone is 15. If the standard…

A: Given information: μ=15σ=4

Q: he amount of soda dispensed by a soft drink dispenser is normally distributed with a mean of 25…

A: The provided information are: Population meanμ=25Population standard deviation σ=1.25

Q: Guarantees. The average lifetime for a car battery is 170 weeks, with a standard deviation of 1-…

A: Let, X= lifetime of a car battery  X follows a normal distribution with mean= 170 weeks and standard…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 101.2 and a standard…

A: Given that adults have IQ scores that are normally distributed with, Mean = 101.2 Standard deviation…

Q: The average resident of Metro City produces 770 pounds of solid waste each year, and the standard…

A: We have to find probability that randomly selected person will produce more than 1000 pound wastwm

Q: A particular fruit's weights are normally distributed, with a mean of 726 grams and a standard…

A: Given:μ = 726σ = 21Thus, X ~ N(μ = 726, σ = 21)

Q: neverready batteries has engineered a newer, longer-lasting AAA battery. this battery has an average…

A: Let X denote the he lifetime of  AAA  battery and it follows normal distribution with average life…

Q: Assume that thermometer readings are normally distributed with a mean of 0  and standard deviation…

A:

Q: Suppose that the lifetimes of TV tubes are normally distributed with a standard deviation of 1.2…

A:

Q: Assume that an adult female is randomly selected. Suppose females have pulse rates that are normally…

A: Solution Let "X" be the female pulse rates in bpm. Refer Standard normal table/Z-table, Lookup…

Q: 5. The average American adult eats an average of 6.5 gallons of ice cream per year. Assume the…

A: (5) X follows a Normal distribution with mean = 6.5 and S.D = 2.3 Then z=(x-mean)/SD =…

Q: A population is normally distributed with mean 15 and standard deviation 2.6. Find the probability…

A:

Q: Data from an experiment show that the standard deviation is 3.6 and the mean is 23.4. Find the…

A:

Q: the life of a certain brand of car stereo is normally distributed with a mean of 5.2 years and a…

A: According to the given information in this question, we need to find the following probability

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=100 and a standard…

A:

Q: population has a mean of 91 and a standard deviation of 10. A sample of 25 observations will be…

A: μ = 91σ = 10n = 25P(87.56<x¯<96.3) = ?

Q: A population of students watch an average of 7.13 hours of TV per week with a population standard…

A: It is given that the mean is 7.13 hours and the standard deviation is 3.29 hours.

Q: An electrical firm manufactures light bulbs that have a length of life that is normally distributed…

A: mean = μ = 817standard deviation = σ = 24 We have to find probability that bulb burns between 723…

Q: Find the probability that the reading is less than 3.81

A: Let X denote the reading of thermometer. Given that X follows N(mean = 0, SD = 1)

Q: Assume that adults have IQ scores that are normally distributed with a mean of 104 and a standard…

A: Solution Let "X" be the IQ score of adults.

Q: he level of nitrogen oxides (NOX) and nonmethane organic gas (NMOG) in the exhaust over the useful…

A: Given Data: Mean (μ)=85 Standard deviation (σ)=6 Variance (σ2)=36 Sample size(n)=16   Let X be the…

Q: A sniper hits a target 80% of the time. He fires five shots at the target. Find  A. Probability…

A: Given problem is binomial distribution Let X: No. of hits n=No. of shots at the target=5 p=prob. of…

Q: Each month, a public market in Batangas generates an average of 30 pounds of plastic for garbage or…

A: Mean(µ) = 30Standard deviations (σ) = 4X ~ N (µ, σ )= N (30, 4)

Q: Assume that thermometer readings are normally distributed with a mean of 0°C and a standard…

A: Given data,μ=0σ=1P(1<X<2.25)=?

Q: Assume that adults have IQ scores that are normally distributed with a mean of 98.1 and a standard…

A: Answer:- Given, IQ scores(X) are normally distributed with mean, μ = 98.1 and standard deviation, σ…

Q: Paul drives to work each moming and the trip takes an average of u- 38 minutes. The distribution of…

A: X follows a Normal distribution with mean = 38 and S.D = 5 Then z=(x-mean)/SD = (x-38)/5  follows…

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: From the given information, Test scores that is X is normally distributed woth mean 0 and standard…

Q: Suppose that the ages of all MIT students are normally distributed with mean 24.01 yrs and s.d. 5.31…

A: Given,mean(μ)=24.01standard deviation(σ)=5.31

Q: ortion of firms will earn a return between 4% and 8%? B   To the nearest percent find the…

A: given: mean (μ)= 7.5 standard deviation(σ)=2.5

Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.1 and a standard…

A:

Q: An electrical firm manufactures light bulbs that have a length of life that is normally distributed…

A:

Q: Suppose that a brand of lightbulb lasts on average 1690 hours with a standard deviation of 194…

A: Let X=  the life of a lightbulb Given that X follows a normal distribution with mean=1690 and…