Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Enter a number. Round your answer to four decimal places.) ? = 28; ? = 4.2 P(x ≥ 30) = ____________

Q: Assume that x has a normal distribution with the specified mean and standard deviation. Find the…

A: It is given that the mean is 18 and the standard deviation is 4.2.

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

A: Given that  The adults have IQ scores normally distributed with  Mean (μ) = 105 Standard deviation…

Q: + L Decide whether the random variable x is discrete or continuous. Explain your reasoning. Let x…

A: Given information X represents the volume of blood drawn for a blood test It is a random variable…

Q: X=21 christmas cards N= 7  standard deviation  Find probability that Americans will recieve no…

A: Given that x=21 S.d=7

Q: Find the mean and the standard deviation for the below discrete probability distribution. Round all…

A:

Q: Using R Suppose the distributions of arrival and service times were normal instead of exponential.…

A: The objective of this question is to estimate the long-run average number of people that would be in…

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

A: The random variable  is defined as the percent of fat calories that a person in America consumes…

Q: t x has a normal distribution with the specified mean and standard deviation. Find the indicated…

A: Given: μ=6, σ=2 The corresponding z-values needed to be computed are:

Q: Decide which of the following statements are true. The line of symmertry for all normal…

A: One type of continuous probability distribution is a normal distribution. It shows the symmetrical…

Q: Find the mean, variance, and standard deviation for each of the values n of p and when the…

A: Conditions for binomial distribution:1. There are two mutually exclusive outcomes, success or…

Q: Some sources report that the weights of full-term newborn babies in a certain town have a mean of 8…

A: Provided information is; Mean(μ) = 8 Standard deviation(σ) =1.2 Let , X be the random variable that…

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

A: Let "X" be the IQ score of the adults.

Q: Assume the heights of women are normally distributed with a mean of 67.5 inches and a standard…

A:

Q: Assume that x has a normal distribution with the specified mean and standard deviation. Find the…

A: Solution: From the given information, X follows normal distribution with mean µ=24 and a standard…

Q: Find the area of the shaded region. The graph depicts the standard normal distribution of bone…

A: From the provided information, Mean (µ) = 0 Standard deviation (σ) = 1 The shaded area is to the…

Q: 1C. What amount of time would place a student using the elliptical at the UCF gym in the bottom…

A: It is given that  Mean, μ = 18.9 Standard deviation, σ = 2.15

Q: The round off errors when measuring the distance that a long jumper has jumped is uniformly…

A: (c )   Obtain the probability that the round off error for a Jumper’s distance is exactly 2.   The…

Q: If an order is selected, find the probability of getting an order from Apple Bloom’s Café or an…

A:

Q: D.The probability that the number will be between 4 and 8 is P(4 15) = F. P(x > 5 | x < 11) =____

A:

Q: Mr. and Mrs. Trump have applied to the Trustworthy Insurance Co. for insurance on Mrs. Trump's…

A: Answer:- Given, The tiara is valued at $97,000.  Trustworthy estimates that the jewelry has a 2.6%…

Q: Let X be a random variable that represents red blood cell count (RBC) in millions of cells per cubic…

A: 4.1, 4.2, 4.5, 4.2, 4.6, 4.5

Q: Find the mean, variance, and standard deviation for each of the values n of p and when the…

A: We are going to find the values by the help of formula used in binomial distribution

Q: Find the mean, variance, and standard deviation of the binomial distribution with the given values…

A: It is given that, n=129 p=0.27

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: The total number of observed order that are given in the table are Total orders =…

Q: It is supposed that values of pH in rainfalls are normally distributed. You know that population…

A: Given Standard deviation=0.6 Margin of error=0.2 At 95% confidence level of z value Z=1.96

Q: Find the mean value if y 1+x² between x-0 and x-1

A: We have o find the mean value of the function :  y=11+x2 between x=0 ,x=1

Q: that x has a normal distribution with the specified mean and standard deviation. Find the indicated…

A: Given: μ=6, σ=2 The corresponding z-values needed to be computed are: Thus,

Q: Mr. and Mrs. Trump have applied to the Trustworthy Insurance Co. for insurance on Mrs. Trump's…

A: Given Value=$95500 Trustworthy estimates that the jewelry has a 2.7% chance of being stolen in any…

Q: Find the mean, variance, and standard deviation for each of the values n of p and when the…

A: We have given thatn = 110p = 0.12

Q: Assume that x has a normal distribution with the specified mean and standard deviation. Find the…

A:

Q: Test scores with a mean of 0 and standard deviation of 1. Find the probability of a test being…

A: Let X represents the distribution of test scores. Given that X follows N(mean=0, SD =1). We will use…

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

A: GivenMean(μ)=0standard deviation(σ)=1

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

A: Z score = -0.51( Left tailed )