1. The lengths of a particular species of worm are normally distributed with a mean of 21 cm and standard deviation of 1.5 cm. Find the probability that a worm selected at random is: a. Less than 23.4 cm long b. More than 19.8 cm long c. Between 18 cm and 24 cm long

Q: with a mean of µ = 70 and a standard deviation of σ = 10, what is the probability of obtaining a…

A: Given Data : Population Mean,μ = 70 Population Standard Deviation,σ = 10

Q: - To estimate a population mean, the sample size needed to provide a margin of rror of 2 or less…

A:

Q: Given that x is distributed normally with mean 74 and standard deviation 10, what is P(72 < x < 82)…

A:

Q: 13. Assuming weights of female athletes are normally distributed with a mean of 140 Ibs and a…

A: Given: μ=140, σ=15 The corresponding z-value needed to be computed is:

Q: 2. The weight of 2,000 students are normally distributed with the mean of 46kg and standard…

A: First we find the required probabilities for getting the answers for given problems, (a) (b) (c)…

Q: By definition, jumbo shrimp are those that require between 10 and 15 shrimp to make a pound. Suppose…

A:

Q: If X is a normally distributed random variable with a mean of 80 and a standard deviation of 12,…

A: Given that.   X~N( μ , ?^2 )   μ=80     , ?=12   Z-score =( x - μ )/?

Q: In a study of work patterns in one population, the mean weekly family time devoted to child care is…

A:

Q: If x is a normally distributed variable with a mean of 151.7 and a standard deviation of 21.9, what…

A: GivenMean(μ)=151.7standard deviation(σ)=21.9

Q: he height of the candidate for Police Officer at JayBie Town is normally distributed with a ean 165…

A: Let X be the random variable from normal distribution with mean (μ) = 165 cm and standard deviation…

Q: 1. Suppose family incomes in a town are normally distributed with a mean of P25000 and a standard…

A: Probability: A probability allows us to find the chance of an event's occurring in an experiment.…

Q: Suppose speeds of vehicles on a particular stretch of roadway are normally distributed with mean…

A: Given :Let, X bet the speed of vehicle. Here, X~Nμ=36.6,σ2=(1.7)2and let,Z=x-μσ~N(0,1)

Q: •2. The relative frequency distribution of the number of TVs sold in a day in a department store in…

A: We are given the following information:Number of TV sold xProbability P(x)00.110.1520.4530.240.1

Q: Q/The speed of a file transfer from a company server to any employee personal  computer is normally…

A:

Q: Given a distribution that has a mean of 37 and a standard deviation of 12, calculate the probability…

A:

Q: By definition, jumbo shrimp are those that require between 10 and 15 shrimp to make a pound. Suppose…

A: According to central limit theorem, for large sample (&gt;30) or if the population follows normal…

Q: the sape of the distribution of the time required to get an oil change at  a 10-minute oil change…

A: Answer:  Given,n=40 Mean=11.4 Standard deviation =3.2

Q: 1. Assume that the amounts of weights that male college students gain during their freshman year are…

A:

Q: 2. The average daily jail population in the New Bilibid prison in Muntinlupa City is 36,295. If the…

A: The average population of jail is 36,295. The standard deviation of the population in jail is 3760.

Q: For a normal distribution curve with a mean of 15 and a standard deviation of 5, which range of the…

A:

Q: 3. The average cholesterol content of a certain canned goods is 215 milligrams, and the standard…

A: Given that  X~N(μ= 215 , σ= 15 ) μ= 215 , σ= 15 , n= 25

Q: The average number of milligrams (mg) of sodium in a certain brand of low-salt microwave frozen…

A: Solution:

Q: he monthly utility bills in a city are normally​ distributed, with a mean of $100 and a standard…

A: Let X be the monthly utility bills in a city are normally distributed with mean μ=$100 and standard…

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 69 mph and…

A:

Q: The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard…

A: Given Data Population Mean,μ = 100.0 Population Standard Deviation,σ = 12.0

Q: Suppose that the mean and standard deviation of plants height are 130 and 42, respectively, if a…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 130, standard…

Q: 3. The average cholesterol content of a certain brand of eggs is 215 milligrams, and the standard…

A: Given mean μ = 215standard deviation σ = 15we need to calculate two parts of probability

Q: 4) According to one pollster, 59 % of people are afraid of flying. Suppose that a sample of size 26…

A:

Q: 2. The line width for semiconductor manufacturing is assumed to be normally distributed with a mean…

A:

Q: 1. The weights of deer in a national park are normally distributed with a mean of 65 kilograms and a…

A: Given that, the weights of deer in a national park are normally distributed with a mean of 65…

Q: 9) For a certain type of computer, the length of time between charges of the battery is normally…

A:

Q: If the average yield of a dunum of yellow corn is 800 kg, with a standard deviation of 40 kg, and…

A: Given that : X follow a normal distribution with mean (μ) 800 kg and standard deviation (? ) 40 kg.…

Q: If a random sample of size 14 is drawn from a normally distributed population with mean 43.5…

A: Given Sample size n = 14 Population is Normally Distributed with mean 43.5 minutes  Sample standard…

Q: 1. If ‘m’ is the mean of a Poisson distribution, the standard deviation is given by ___________

A: We have given that, If mean of Poisson distribution is 'm' then standard deviation is given by?

Q: 1.) The average repair cost of a microwave oven is $55, with a standard deviation of $8. The costs…

A: 1) Given that the mean is $55 and the standard deviation is $8. The costs are normally distributed.…

Q: If one normal distribution has a standard deviation of 5, and another has a standard deviation of…

A: Given that  One normal distribution has standard deviation is 5. Another has standard deviation of…

Q: Suppose the mean height of Grade 11 male students in a certain school is 170 cm, and that the…

A:

Q: Consider the probability distribution for number of children in local families. x P(x) 0 0.03 1…

A: The table shows the probability distribution for number of children in local families.

Q: Assume that the heights of adult puffins are normally distributed, with a mean of u = 16.1 inches…

A: According to our guidelines we can solve only the first three-part of the question. ize (n) = 16

Q: Given the population of men has normally distributed weights with a mean of 172 lb and a standard…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: Show the salaries of the following grads on the normal distribution and on the standard normal…

A: Salaries of recent grades are approximately normally distributed with mean of $200,000 and standard…

Q: What is the probability that the mean height of 10 randomly selected women are greater than 66.5…

A: Let X denote the height of the young women. Given that X follows N(mean=64.5, SD=2.5) Then…

Q: Suppose that we will take a random sample of size n from a population having mean and standard…

A: Here given sample size , population mean and population standard deviation from which calculating…

Q: Given that the random variable X is normally distributed with a mean of 80 and a standard deviation…

A: The random variable X is normally distributed with a mean of 80 and a standard deviation of 10. That…

Q: Suppose the heights of 18 year old men are approximately normally distributed, with mean 71 inches…

A: The normal distribution is the most useful theoretical distribution for continuous variables. For…

Q: Suppose that the mean and standard deviation of plants height are 130 and 32, respectively, if a…

A:

Q: Assume that the heights of blocks are normally distributed, with a mean of 14.6 inches and a…

A:

Q: It is known that the distribution of the Wechsler Adult Intelligence test is normal, the mean is µ =…

A: It is given that the mean is 130, the standard deviation is 15 and the sample size is 9.

Q: are normally​ distributed, with a mean of $100 and a standard deviation of ​$13. Find the…

A: Given: μ=100, σ=13 The corresponding z-values needed to be computed are: The probability that a…

Q: 1. The breaking strength of a rivet has a mean value of 10,000 psi and a standard deviation of 500…

A: Given: μ=10,000σ=500 a. The probability that the sample mean breaking strength for a random sample…