The amount of milk sold each day by a grocery store varies according to the Normal distribution with mean 130 gallons and standard deviation 10 gallons. On a randomly selected day, the probability that the store sells at least 155 gallons is:

Q: The weight of a small Starbucks coffer is normally distributed random variable with a mean of 340…

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Q: he lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation…

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Q: Suppose a brewery has a filling machine that fills​ 12-ounce bottles of beer. It is known that the…

A: Mean = 12.33 Standard deviation = 0.04

Q: The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation…

A: Refer Standard normal table/Z-table to find the probability of z=2.80.

Q: The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 365…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

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Q: Exercise 1: The weight of a random scone sold by your favorite bakery has a mean of 105g I a…

A: Given: μ = 105 σ = 5 Formula Used: Z-score= X-μσn

Q: The mean monthly household electric bill in a certain community is $110. Assume the amounts are…

A: Suppose the random variable x defines the monthly household electric bill in a certain community.

Q: The weight of a small Starbucks coffee is a normally distributed random variable with the a mean of…

A: From the given information we find the solution for given problem.

Q: In a region the energy consumption for a family per month averages 1145 kWh and one standard…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: The distance travelled to work by the employees of PUP may be modelled by a normal distribution with…

A: Answer:- Given the distance traveled to work by the employees of PUP may be modeled by a normal…

Q: a city's hotel rates (x) follow a normal distribution with mean $115 and standard deviation $21. a)…

A: We have given that  mu= 115 , sigma =21  Row score  X=140 Z-score =(x-mu)/sigma

Q: An amusement park ride has a bench seat designed for two passengers in each row. In this scenario,…

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Q: Water use per person is reported as 70 gallons per week, with a standard deviation of 10 gallons If…

A: Given that, μ=70,σ=10,n=25 (a) The probability of their sample mean being greater than 75 gallons…

Q: The lengths of pregnancies of humans are normally distributed with a mean of 268 days and a standard…

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Q: The final exam scores in a statistics class were normally distributed with a mean of 63 and a…

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Q: The length of time it takes a college student to find a parking spot in the library parking lot…

A: Mean(μ)=7.0 standard deviation(σ)=1

Q: The lengths of pregnancies are normally distributed with a mean of 266days and a standard deviation…

A:

Q: The lengths of pregnancies are normally distributed with a mean of 266 days and a standard…

A:

Q: a. Find the probability of a pregnancy lasting 308 days or longer. b. If the length of pregnancy is…

A: Given Data Population Mean,μ = 269 Population Standard Deviation,σ = 15

Q: 77.7, 84.8, 79.4, 84.0, 99.6, 93.6, 89.4, 97.2 a. What is the mean percentage of clockwise swimming…

A: Hello, since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: In a survey of a group of​ men, the heights in the​ 20-29 age group were normally​ distributed, with…

A:

Q: The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation…

A: Given,mean(μ)=267standard deviation(σ)=15

Q: In a survey of a group of​ men, the heights in the​ 20-29 age group were normally​ distributed, with…

A:

Q: Most exhibition shows open in the morning and close in the late evening. A study of Saturday arrival…

A: From the provided information, Mean (µ) = 2 hours and 2 minutes or 122 minutes Standard deviation…