An airline knows that the number of suitcases it losses per week is in normal distribution with mean 26.2 and standard deviation = 5.8. Find the probabilities that in one week on the give route it will lose a) Exactly 22 suitcases b) At most 22 suitcases c) At least 22 suitcases

Q: suppose that a coin is to be tossed four times and let X represent the number of tails that can come…

A: Given: A coin is tossed four times. X represents the number of tails. The objective is to find…

Q: In 2015, the mean return of all common stocks on the Philippine stock exchange was 3.5% . The…

A: The central limit theorem (CLT) states that, the mean of the sampling distribution is approximately…

Q: Suppose that in a certain Senior High School the average height of male students is 155.9 cm with…

A: GivenMean(μ)=155.9standard deviation(σ)=20.4sample size(n)=40

Q: Assume that the heights of women are normally distributed with a mean of 64.1 inches And a standard…

A: Given: Population mean=μ=64.1. Population standard deviation=σ=2.3. The sample size is n=64.

Q: The probabilities that a patient will have 0,1,2, or 3 medical test performed on entering a hospital…

A: To find mean, variance and standard deviation.

Q: The mean yearly rainfall in Sydney, Australia, is about 137 mm and the standard deviation is about…

A: From the provided information, Mean (µ) = 137 mm Standard deviation (σ) = 69 mm

Q: ) Find the probability that the length of time a person shows flu symptoms is at most 9 days. ) Find…

A: Let X denote the length of time a person shows flu symptoms. Given that X follows N(mean= 7.2, SD=…

Q: Assume that the variable is normally distributed, the average time it takes a group of senior high…

A: The normal distribution  in the center is generally denser and basically less dense at tails. There…

Q: population has a mean of 350 and a standard deviation of 25, determine the probability that a random…

A: GIVEN DATA, μ=350σ=25n=40p(335<x¯<375)=?

Q: Suppose the life spans of a particular brand of car battery are normally distributed with a mean of…

A: Given that  Mean=44.7 P(X>53.7)=0.26

Q: The net weight of a can of salmon is a random variable with a mean of 6.07 ounces and a standard…

A:

Q: Suppose the life spans of a particular brand of car battery are normally distributed with a mean of…

A: We have given that  Mean=45.3

Q: Assume that the salaries of elementary school teachers are normally distributed with a mean $35,000…

A:

Q: 5. The length of time, L hours, that a phone will work before it needs charging is normally…

A: Let L denote the length of time that a phone will work before it needs charging and it follows…

Q: 24. Assume that the distribution of heights for a standard oak tree after 10 years has a mean of 15…

A:

Q: A detergent company finds that a family in the country washes an average of 910 kilograms of clothes…

A: We have given that,  Let X be the random variable from normal distribution with mean (x̄) = 910 and…

Q: Assume the probability that a maple tree at age 5 grows less than 130 cm is equal to 0.1. If the…

A:

Q: Suppose that the duration of a particular type of criminal trial is known to have a mean of 24 days…

A: Determine the distribution of ΣX.   The distribution of ΣX is determined below as follows :

Q: A detergent company finds that a family in the country washes an average of 910 kilograms of clothes…

A: Given that: X is normal Distributed with mean µ = 910.0 and standard deviation σ = 85.0 By using…

Q: Suppose that the duration of the game is normally distributed. The mean= 10 mins, while the SD= 2…

A: Given, X follows normal distribution(μ,σ) mean , μ = 10standard deviation ,σ = 2

Q: assume that women's heights are normally distributed with a mean of 63.6 inches and a standard…

A: Mean = 63.6 Standard deviation = 2.5 Sample size = 81

Q: Assume that the heights of men are normally distributed with a mean of 69.5 inches and a standard…

A: It is given that  Mean, μ = 69.5 Standard deviation, σ = 2.1 Sample size, n = 36

Q: Suppose that heights of women at UT Tyler are normally distributed with a mean of 64 inches and a…

A: It is given that the mean is 64 and standard deviation is 2.4.

Q: The average age of managers is 40 years. Assume the variable is normally distributed. If the…

A: Given data,μ=40σ=5P(35<X<46)=?

Q: Q6- Assume the probability that a maple tree at age 5 grows less than 140 cm is equal to 0.2. If the…

A: Given Data: Let X represent the height of the maple tree P(x<140)=0.2 σ=81=9

Q: If it is known that the percentage of successful students is 75%, and you take a sample of 15…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 98 and standard…

A:

Q: An automatic machine in a manufacturing process is operating properly if the lengths of an important…

A: Given data, μ=113σ=5.7

Q: . Lori just bought a set of 4 tires for her car. The life of a tire is normally distributed with a…

A: The mean of the distribution,  milesThe standard deviation of the distribution,  miles

Q: probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have…

A: Given problem is binomial distribution Let, X: Patient recovers from a rare blood disease p=Prob. of…