The heights of men in a city are normally distributed with mean 171 cm and SD 7 cm, while the corresponding values for women in the same city are 165 and 6 cm respectively. If a man and a woman are chosen at random from this city. find the probability that the woman is taller than the man.

Q: If the mean number of serious accidents per year in a large factory is 4, find the probability that…

A: Obtain the probability that in the current year there will exactly 4 accidents. The probability that…

Q: The probability that a student assistant, takes an error in checking the midterm examination is…

A:

Q: Find the probability of choosing a letter other than the letter L from a bag that contains the…

A:

Q: If a parachutist lands at random point on a line between markers A and B, find the probability that…

A: Assume that y is the point between A and B where the parachutist lands.Suppose Ay is the distance…

Q: A botanist wants to know if two different soils lead to different levels of evaporation in plants.…

A: In this case, Each of the plants is used in both soils, she can use a paired samples t-test to…

Q: When women were finally allowed to become pilots of fighter jets, engineers needed to redesign the…

A: given data  women weight is normally distributed μ = 160σ = 44 n = 25

Q: A batch consists of 7 defective spark plugs and 33 good ones. Find the probability of getting two…

A: This is a case of a Poisson random variate. A discrete random variable X is said to follow Poisson…

Q: 3 défective components. A e JO inspector. Find the expected value of the number of good components…

A:

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 8. Find the…

A: Given The average number of field mice per acre in a 5-acre wheat field is estimated to be 8. Find…

Q: If the probability that a basketball player sinks the basket at 3-point range is 2/5, determine the…

A: Given: Probability of success (p)=25=0.40 Number of trials (n)=8

Q: One card is selected at random from a deck of cards. Determine the probability of selecting a card…

A:

Q: if the probabilty that junior goes to the grocery store is 0.6 and the probability that he buys…

A: P(junior goes to the grocery store) = 0.6 P(buys strawberries given he is at the grocery store) =…

Q: The average count calculation errors at a local accounting firm per 12-h shift are 2.8. What is the…

A: Given that : λ=2.8

Q: If half of the 100 passengers are​ men, find the probability that the mean height of the 50 men is…

A: The mean is 69 and standard deviation is 2.8.

Q: If the probability of winning a race is 3/8 what are the odds in favor of wining the race. Answer in…

A: From the provided information, The probability of winning a race (p) = 3/8

Q: The mean weight of 150 students in a certain class is 60 kg. The mean weight of boys in the class is…

A:

Q: A jar contains 3 red, 2 white, and 5 blue marbles. What is the probability of selecting two marbles…

A:

Q: The average number of field mice per acre in a wheat field is estimated to be 1.2. Find the…

A:

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A:

Q: If a parachutist lands at a random point on a line between markers A and B, find the probability…

A: Let the distance from the point A to B be L unit. The, let the variable X denote     X = distance…

Q: If the probability of success is 0.4, find the probability of failure in 3 out of 3 trials.

A: Let X be the number of failure  from binomial distribution with probability of success (p) = 0.4 and…

Q: The probability of having a child that is left handed is10%. If three children are randomlyselected,…

A: From the given information we want to find the probability that at least one child is left handed.

Q: ing above one of the data points in th

A: mean  = 9 standard deviation = 2.5 to find P(X>11)

Q: If the probability that an object dropped from a certain height will strike the ground is 80 percent…

A: Solution- Given that , let p denote the probability that an object dropped from a certain height…

Q: When manufacturing fabric, the mean number of imperfections per yard of fabric is 0.12. Find the…

A: Given information- We have given the problem of Poisson distribution. Mean no. of imperfections per…

Q: If the mean of examination scores for two classes of the same level: A and B, in a certain school…

A:

Q: The probability that entering college students will graduate is 0.40. Determine the probability that…

A:

Q: If the amount of milk in a gallon container is a random variable,with = 128.2 ounces and =.2 ounce,…

A: If the amount of milk in a gallon container is a random variable with 128.2 ounces and 0.2 ounce, We…

Q: The electricity usage for a city follows a lognormal distribution (in kWh) with parameters

A: Let us define X as the electricity usage for a city follows lognormal distribution with μ=8.5 and…

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 6. Find the…

A: Given : The average number of field mice per acre in a 5-acre wheat field is estimated to be 6.…

Q: If baguettes have an average length of 30cm and a standard dev of 2cm, then you got a baguette that…

A: The following information has been provided: Let X be a random variable represents the length of…

Q: The probability that an entering student will graduate is 0.4. Determine the probability that out of…

A: Given: Probability that student will graduate(p)=0.4Number of students(n)=5

Q: Make a Normal Probability Plot for age with TI-84 calculator and show screenshots of calculator

A: Given :

Q: Part 4 of 6 (d) Find the probability that no tires have low air pressure. The probability that no…

A:

Q: Oliver Queen is able to hit the bull's-eye (center of the target) 85% of the time. If he shoots 25…

A: Given n=25 p=0.85 q=1 - p=1-0.85=0.15

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A: Given,mean(μ)=312P(X>319)=0.28