Find the probability that a single randomly selected value from the population is greater than 161.4. P(X > 161.4) = Find the probability that a sample of size n = 30 is randomly selected with a mean greater than 161.4. P(M > 161.4) =

Q: The life of an animal is normally distributed with a mean of 9 years and a standard deviation of1.5…

A: HERE FROM GIVEN INFORMATION , mean =  9 standard deviation  = 1.5 here use excel command for…

Q: Recently, it was found that the length of months that cell phones last is 24.42 months, with a…

A: A normal distribution follows a bell shaped curve which is centred at the mean and it is also called…

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A: Given data,μ=180000σ=39000

Q: Let X represent the full height of certain species of tree. Assume that X is normally distributed…

A: Given data,μ=35.2σ=28.7P(X>58.2)=?

Q: The mean time for a group of adults to complete a certain achievement test is 38.8 minutes and the…

A:

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Given : mean = μ = 206.7 standard deviation = σ= 1.5 n = 9 μM = 206.7 σM=σn σM=1.59 σM=0.5

Q: Wild deer population weight has standard deviation of 50 lb. What is the probability of existence of…

A: Wild deer population weight has standard deviation of 50 lb.  Sample size, n = 100 x¯-μ=±5

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: GivenMean(μ) =265.2standard deviation(σ)=0.9sample size(n) =19

Q: A random sample of size 36 is taken from a population with mean 50 and standard deviation 5. Find P(…

A: From the given information,Mean = Standard deviation , Sample size , n = 36 We have to find , P (…

Q: The time it takes a runner of a marathon in a certain city to fifinish the race (fifinish time) has…

A: Given Data Population Mean,μ = 195.0 Population Standard Deviation,σ = 25.0

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A:

Q: The amount of rain falling in Waimea Canyon State Park, Kauai is normally distributed with a mean of…

A: Let x¯ is defined as the mean rain of 16 randomly picked days which follows normal distribution. The…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: From the given information, Consider, X be the random variable that shows the length of steel rod…

Q: The percent of fat calories that a person in America consumes each day is normally distributed with…

A: Let  be the percent of fat calories that a person in America consumes each day.The random variable…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Mean = 103.4 Standard deviation = 0.9 Sample size = 12

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: From the given information, consider X be a random variable denoting the length of the steel rods…

Q: Find the probability that the average length of a randomly selected bundle of steel rods is between…

A: The probability that the average length of a randomly selected bundle of steel rods is between…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Let X denote the length of steel rod with a mean μ=110.3 cmand standard deviation σ=2 cm.X  follows…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A:

Q: The mean height of women over twenty years of age is 63.7 inches A researcher conducts a hypothesis…

A: Mean height, The researcher wants to test the hypotheses,Sample size,  Sample mean, p-value for the…

Q: Assume that heights of U.S. men between 45 and 50 years of age are normally distributed with mean 70…

A: From the information, sample size is 49, mean 70 inches and a standard deviation of 0.75 inches

Q: The tread life of a particular brand of tire is a random variable best described by a normal…

A:

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Solution: Let X be the length of the steel rod. From the given information, X follows normal…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Formula :  z = (x̄ - μₓ̄ )/σₓ̄

Q: Suppose that males between the ages of 40 and 49 eat on average 103.8 g of fat every day with a…

A: Given Mean=103.8 Standard deviations=4.02

Q: A population of values has a normal distribution with �=218.4 and �=61.1. Find the probability that…

A: The objective of the question is to find the probability of a single randomly selected value being…

Q: of 232.3-cm and a standard deviation of 1.6-cm. For shipment, 21 steel rods are bundled together.…

A: Given Data : Population Mean,μ = 232.3 Population Standard Deviation,σ = 1.6 sample size…

Q: company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Given that: X is normal Distributed with mean µ = 203.7 and standard deviation σ = 2.5 By using…

Q: A population of values has a normal distribution with �=105.6 and �=10.5. Find the probability that…

A: The objective of the question is to find the probability of a single randomly selected value being…

Q: Assume that the square footage of a residential house in the US is normally distributed with a…

A: According to the given information in this question  We need to find the probability that it will be…

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.