Q2: Suppose the current measurements in a strip of wire are assumed to follow a normal distribution with a mean of 10 milliamperes and a variance of 4 (milliamperes)² 1- What is the probability that a measurement will exceed 13 milliamperes? 2- what is the probability that a current measurement is between 9 and 11 milliamperes?

Q: A normal distribution has a mean of μ= 54 and a standard deviation of σ=6 What is the probability of…

A: From a normal distribution, Mean = 54 Standard deviation = 6

Q: A normal distribution has u = 30 and o = 5.

A: Given that, Mean = 30 Standard deviation = 5 Z score = 1.3

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of y = 100 and a…

A: The objective of this question is to find the probability that a randomly selected adult has an IQ…

Q: Assume that females have pulse rates that are normally distributed with a mean of μ=74.0 beats per…

A: Given, Assume that females have pulse rates that are normally distributed with a mean of μ=74.0…

Q: Assume that readings on thermometers are normally distributed with a mean of 0 and a standard…

A:

Q: Assume that females have pulse rates that are normally distributed with a mean μ=75.0 and a standard…

A:

Q: The mean weight of people living in a certain residential area has been 60 Kgs in the recent years.…

A: It is given that the mean weight of people living in a certain residential area has been 60Kg. We…

Q: Assume that a certain bacteria contaminated in a gallon of milk is normally distributed with a mean…

A: Given,mean(μ)=2500standard deviation(σ)=46.3

Q: Assume that adults have IQ scores that are normally distributed with μ=38 and a standard deviation…

A:

Q: ume that the random variable X is normally distributed with mean u=70 and standard deviation 9. Find…

A: Given data,Mean μ=70sd    σ=9Find the 40th percentile for X

Q: The chemical concentration of a particular chemical in a lake is to be measured. Assume it is known…

A: We have to find given probability.

Q: X is a normally distributed random variable with a standard deviation of 3.50. Find the mean of X…

A:

Q: Suppose the distribution of maximum monthly January temperatures in Sydney is normal with mean, μ =…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=100 and a standard…

A: The provided information are: μ=100σ=15 X=IQ scores of adults X~N(μ=100,σ=15) to calculate the…

Q: Assume that females have pulse rates that are normally distributed with a mean of μ=76.0 beats per…

A: Given data, μ=76.0  σ=12.5  P(X<83)=?

Q: a) What is the probability that the dart lands in the sector labeled 20 a total of 5 times? b) What…

A: Given : A Dart board containing 20 equally-sized sectors numbered 1 to 20 The probability of a dart…

Q: A normal distribution has a mean of u = 100 with 0 = 20. If one score is randomly selected from this…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ= 105 and a standard…

A: Step 1: Given that, Adults IQ scores are normally distributed withmean: μ=105, standard deviation:…

Q: Demand in each period is normally distributed with a mean of 100 and astandard deviation of 50. What…

A: Given: Mean (E[X]) = 100 Standard deviation (Sd [X])= 50

Q: A simple random sample of six values had mean x = 13.00 and standard deviation s = 7.155. Calculate…

A: Given,

Q: Suppose the distribution of maximum monthly January temperatures in Sydney is normal with mean, μ =…

A:

Q: Assume that the mean systolic blood pressure of normal adults is 120millimetersof mercury (mmHg) and…

A: Here we want to find the given probability using normal distribution.

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: Given, Mean = 0 Standard deviation = 1   The objective is to find the probability that a given score…

Q: Body temperatures of adults are normally distributed with a mean of 98.60◦ F and a standard…

A: Given that body  temperatures of adults are normally distributed with a mean of 98.60◦ F and a…

Q: Suppose that x has a normal distribution with mean ? = 50 and standard deviation ? = 5. Find P(x >…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard…

A:

Q: Spray drift is a constant for pesticide applications and agricultural producers. Suppose that the…

A:

Q: The variable xx denotes the time taken in seconds for a computer link to be made between the…

A: It is given that the mean is 15 and the standard deviation is 3.

Q: Assume the random variable X is normally distributed with a mean of 50 and a standard deviation of…

A:

Q: Suppose the distribution of maximum monthly January temperatures in Canberra is normal with mean, μ…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of mu equals 100 and a…

A:

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: According to the given information in this question We need to find the following probability

Q: Assume that females have pulse rates that are normally distributed with a mean of u=74.0 beats per…

A: Mean = 74.0 Standard deviation = 12.5 Sample size =

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=100and a standard…

A: From the provided information, Mean (µ) = 100 Standard deviation (σ) = 20 Let X be a random variable…

Q: IQ is normally distributed with a mean of 100 and a standard deviation of 15.  When selecting…

A:

Q: Assume that ex has a normal distribution with a specify mean and standard deviation mean =18…

A: Obtain the standard z-score for the random variable X equals 30. The standard z-score for the…