A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 208.8-cm and a standard deviation of 1.5-cm. For shipment, 5 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is greater than 210.6-cm. P(M > 210.6-cm) = %3D

Q: A lightbulb is advertised as lasting 1000 hours with a standard deviation of 150 hours. Assume the…

A: The lasting duration of lightbulb is normally distributed with mean 1000 hours and standard…

Q: . What is the probability that the student will get into a college whose entrance score is 550?

A:

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

A: - It is given that the mean and standard deviation are 154.9 cm and 1.7 cm, respectively.

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

A: Given,Mean, μ =243.2 cmStandard deviation, σ = 1.6 cmSample size, n = 20Let X be a random variable…

Q: The height of the students in a class shows normal distribution. Students in this class have an…

A: We have to find givén probability..

Q: If a female is randomly selected, find the probability that her pulse rate is between 69 beats per…

A:

Q: Elephants have the longest pregnancy of all mammals. suppose that for Asian elephants, the lenghts…

A: The objective of this question is to find the percentage of Asian elephant pregnancies that are…

Q: Working in the garden pulling weeds/planting flowers burns an average of 200 calories per hour. If…

A: given data μ=200σ=9normal distribution P(200<x<225)=?

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

A:

Q: he lengths of pregnancies are normally distributed with a mean of 268 days and a standard of…

A: mean=268 S.D=15

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

A: Given data,Mean μ=188.1sd    σ=0.8If n=5P(187.3 cm < M < 188.9 cm) = ?

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

A: Given: Population mean (µ) = 103.5 Population standard deviation (σ) = 0.9 Sample size (n) = 6 In…

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

A: Let X represents the lengths of the steel rods Mean (X)=98.3 Standard deviation (X)=2.4 Therefore,…

Q: The lengths of trout in a lake are normally distributed with a mean of 30 inches and a standard…

A: The z-score denotes how many standard deviations an individual raw score is away from the mean The…

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: an elevator is loaded with 16 male passengers, find the probability that it is overloaded because…

A: We have given that  Normally distributed with a mean of 182.9 lb and a standard deviation of 40.8…

Q: he number of bank robberies that occur in a large North American city is Poisson distributed with a…

A: Given : Let X : No. of bank robberies that occur in a large North American city is Poisson…

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

A: Let X be the length of the steel rods. Then X~N (144.3,0.8) i.e. µ=144.3 and σ=0.8

Q: The life of a semiconductor laser at a constant power is normally distributed with a mean of 7000…

A: It is given that  Mean, μ = 7000 Standard deviation, σ = 600 Z-Score, Z = ( X - μ )/σ   Note:…

Q: The daily income of bank auditor in a certain commercial bank is normally distributed with a mean of…

A: The z score indicates how many standard deviations that a data points away from the mean. It can be…

Q: A soft drink machine outputs a mean of 24 ounces per cup. The machines output is normally…

A:

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

A:

Q: Assume that the readings on thermometers are normally distributed with a mean of 0 degrees Celsius…

A: We have given that Mu= 0 , sigma =1 X~ N ( 0, 1) Zscore=(x-mu)/sigma

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 262 days…

A: Let "X" be the lengths of pregnancies in a small rural village in days.

Q: The average length of crocodiles in a swamp is 11 feet. If the lengths are normally distributed with…

A: Given: μ = 11 σ = 1.5 Formula Used: Z = X-μσ

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

A: Given that  X~Normal(μ=238.5 , σ=0.9) μ= 238.5  , σ= 0.9 , n= 28

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

A: Given: A company produces steel rods. Let μ0 represents the mean length of the steel rods; that is;…

Q: The average score of all golfers for a particular course has a mean of 64 and a standard deviation…

A:

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:

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

A: Given that  The lengths of the steel rods are normally distributed with a mean of 245.7-cm and a…

Q: tal of 82 Grade 11 students of ABC senior high school took the 60 item test in General mathematics.…

A: To find the normal distribution with the mean 42 and standard deviation 6

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

A: Let X denote the lengths of steel rods. Given that X follows N(mean = 158.8, SD = 0.6).

Q: The sizes of houses in Kenton County are normally distributed with a mean of 1369 square feet with a…

A: From the given information, the mean and standard deviation are 1,369 and 171.

Q: Find the mean variance and standard deviation for the number of heads when 10 coins are tossed.

A: When a coin is tossed it can it can land either head or tail. Therefore, the number of outcomes is…

Q: On an exam, Tom scores 12 points above the mean and has a z-score of z = +2.00. The standard…

A:

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.