Assume that the heights of women are normaly distributed with a mean of 63.6 inches and a standard deviation of 25 inches. If 100 women are randomly selected, find the probability that they have a mean height greater than 63.0 inches. O A. 0.8989 O B. 0.9918 O C. 0.0082 O D. 02881

Q: The average GPA at the University of North Carolina is 3.2, with a standard deviation of 0.3. Assume…

A: Given that.   X~N( μ , ?^2 )   μ=3.2     , ?=0.3   Z-score =( x - μ )/?

Q: Assume that the number of days it takes a homebuilder to complete a house is normally distributed…

A: Normal distribution is a continuous distribution which has many real-life applications. The normal…

Q: Calculate the standard deviation of a distribution with: n = 15, f= 110 = 1235 77 O 9.364 O 7.333 O…

A: Given,n=15∑ix.f=110∑ix2 .f=1235

Q: An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots…

A: Given that mean 158lb and a standard deviation of 30.7lb  we have to find  A)pilot is randomly…

Q: The mean weight of junior high school students is µ = 45 kg. If a random sample of 90 students is…

A: Given: μ=45n=90σ=6

Q: The world's smallest mammals: kitti's hog-nosed bat, with a mean weight of 1.5 grams and a standard…

A: It is given that mean and standard deviation are 1.5 and 0.25, respectively.

Q: The starting salaries of individuals with an MBA degree are normally distributed with a mean of…

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Q: Determine the standard deviation of the probability distribution: 1 3 P(x) 0.48 0.27 0.19 06 Round…

A: Given,   What is standard deviation?

Q: The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 405…

A: As per the guidelines we are allowed to solve maximum of 3 subparts If you need help with other…

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

A: For a discrete random variable, X, with probability distribution P(X), the relation ∑PX=1 holds…

Q: The battery life of a fully charged cell phone is normally distributed, with a mean of 14 hours and…

A:

Q: average salary for a large company is $85,000 with a

A: Given Data Population Mean,μ = 85000.0 Population Standard Deviation,σ = 20000.0…

Q: In a hamster breeder's experience the number X of live pups in a litter has the following…

A:

Q: The time sent waiting to hear back from a particular therapist office follows a normal distribution…

A: Given:Mean μ=204 standard deviation σ=25.7 What is the probability that a randomly selected person…

Q: A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean…

A: We have given that  The ratings are normally distributed with mean 200 and standard deviation 50.

Q: A banks loan officer rates application for credit. The ratings are normally distributed with a mean…

A:

Q: The lifespan of a laptop battery is normally distributed. If the mean lifespan of a battery is 4…

A:

Q: The starting salaries of individuals with an MBA degree are normally distributed with a mean of…

A:

Q: The number of Instagram posts of members of a company on Sundays has the following valid probability…

A: Given X (Number of posts) P(X) 0 p 1 0.4 2 0.05 3 0.15

Q: The lifespan of a laptop battery is normally distributed. If the mean lifespan of a battery is 4…

A: Let , X be the lifespan of a laptop battery. X follows Normal distribution with , Mean = μ = 4 years…

Q: Assume that the traffic to the web site of Smiley's People, Inc., which sells customized T-shirts,…

A: Note: Hi! Thanks for posting the question. Since there are more than three sub-part questions, we…

Q: The commuting time for a student to travel from home to a university campus is Normally distributed…

A: Let X be the commuting time for a student to travel from home to a university campus is Normally…

Q: if Z is a standard normal variable, find the probabilitythe probability that z lies between -1.10…

A: We have given that Z is standard normal variable. We have to find probability that- P (-1.10 < Z…

Q: most exhibition shows open early in the morning and closes late in the evening. a study of Saturday…

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Q: Regardless of the kind of workout a gym goer does, the mean time spent on the treadmill is 45…

A: According to the given information, we have Mean = 45 Standard deviation = 15 Sample size, n = 36

Q: ed for évents held at City- Community theatre are believed to be normally distributed with a mean of…

A: Given data, μ=12,000σ=1000

Q: The gestation period of humans follows a normal distribution with a mean of 266 days and a standard…

A:

Q: A firm's marketing manager believes that the total sales for the firm next year can be modeled using…

A:

Q: The time it takes for acrylic paint to dry follows a normal distribution. If the mean is 2 hours and…

A: Solution: Let X be the time it takes for acrylic paint to dry. From the given information, X follows…

Q: The lifespans of domesticated cats are normally distributed, with a mean of 15.7 years and a…

A:

Q: At a certain restaurant in Ohio, the number of minutes that diners spend at the table has a major…

A: Let X be the number of minutes diners spend at their table which follows normal distribution with…

Q: - The length of time it takes college students to find parking spot at Kean University library…

A: Solution

Q: 10 percent of the students in a class of 100 are planning to go to graduate school. The standard…

A: It is given that n=100 and p=0.10.

Q: The lifetime of a particular brand of AA batteries follows a normal distribution. The mean lifetime…

A: Correct answer is d. 0.8944

Q: Assume that the distribution for the following scenario is normal. Use the standard normal table to…

A:

Q: A manufacturer fills jars with coffee. The weight of the coffee, W grams, in a jar can be modelled…

A:

Q: ally distributed with a mean of 12 e probability that a randomly selec ces?

A: Hi! Thank you for the question, as per the honor code, we are allowed to answer three sub-parts at a…

Q: The lifetime of a computer circuit board is normally distributed with a mean of 2,500 hours and a…

A:

Q: The annual income of residence in certain county is normally distributed with a mean of $42,000 and…

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Q: The volume of a dog shampoo filled into a container is uniformly distributed between 370 and 380…

A: Obtain the mean of the volume of dog shampoo.   The mean of the volume of dog shampoo is obtained…

Q: John drives to work each morning and the trip takes an average of µ = 38 minutes. The distribution…

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Q: A private entity has recorded that the population average of unemployed persons per year in a city…

A: Probability:          Let the total number of possibilities be n and the number of…

Q: In a Math test, the mean score is 45 and the standard deviation is 5. Assuming the scores are…

A:

Q: The amount of cereal in a carton is listed as 18 ounces. The cartons are filled by a machine, and…

A:

Q: c) An engineering company manufactures a product with a mean of 48,000 and a standard deviation of…

A: c. The provided information is µ=48000 hours σ=6000 hours  Using normal distribution  i) After less…

Q: The salaries ofelementary school teachers are normally distributed with a mean of $32,000 and a…

A:

Q: 7. Assume that the height of people, measured in inches, has a normal distribution with a mean of 65…

A:

Q: Assume that the sales of Teri’s Specialty Cakes has historically followed a normal distribution,…

A: Given that mu = 250 ,s.d =15

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.