The composite scores of individual students on the ACT college entrance examination in 2019 followed a Normal distribution with mean 20.8 and standard deviation 5.8. What is the probability that the mean score of an SRS of 100 students is 22 or higher? O 0.5 O 0.42 O 0.019

Q: The amount of weight on an ACME tractor trailer is known to have a normal distribution with mean 9.5…

A: GivenMean(μ)=9.5standard deviation(σ)=0.5

Q: Scores on the Critical Reading part of the SAT exam in a recent year were roughly Normal with mean…

A:

Q: Scores on the Critical Reading part of the SAT exam in a recent year were roughly Normal with mean…

A: From the provided information, Mean (µ) = 496 Standard deviation (σ) = 115 X~N (496, 115) Sample…

Q: The mean age that cats get adopted at a shelter is 21.4 months with a standard deviation of 3.6…

A: Normal distribution is also known as the Gaussian distribution . It is widely used in statistics .

Q: The time college students spend on the internet follows a normail distrubution. At Johnson…

A:

Q: Suppose IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What…

A:

Q: Scores on the Critical Reading part of the SAT exam in a recent year were roughly Normal with mean…

A: Probability is calculated by R command

Q: Suppose math scores on the SAT are normally distributed with a mean of 500 and a standard deviation…

A:

Q: The mean age that cats get adopted at a shelter is 21.4 months with a standard deviation of 3.6…

A: Solution: Let X be the age. From the given information, X follows normal distribution with mean…

Q: Traveling between University of Santo Tomas and Rizal Park, Manila via shuttle bus takes, on…

A: Given that, μ=28,σ=5 and n=40 The mean and standard deviation of the sample mean is,

Q: Scores on the Critical Reading part of the SAT exam in a recent year were roughly Normal with mean…

A: The mean is 496 and the standard deviation is 115.

Q: What is the probability that 32 cans of Diet Pepsi will contain, on average, more than 12.18 ounces…

A:

Q: The number of pizzas consumed per month by university students is normally distributed with a mean…

A: Let "X" be the number of pizzas per month by university students. Draw the normal curve and shade…

Q: the average score on s math test is 75 with a standard deviation of 8. What is the probability that…

A: The Z-score for the random variable X equals 90 is obtained below as follows: The Z-score for the…

Q: The amount of weight on an ACME tractor trailer is known to have a normal distribution with mean 9.5…

A:

Q: Scores on the MCAT are approximately Normal with a mean of 25 and a standard deviation of 6.5. To…

A: Given Data : Population Mean,μ = 25 Population Standard Deviation,σ = 6.5

Q: The average time to be served at a diner is 12 minutes with a standard deviation of 3 minutes based…

A: Probability that sample mean greater then 13 minutes = 0.0984   Probability that sample mean less…

Q: The composite scores of individual students on the ACT college entrance examination in 2019 followed…

A: Solution: Let X be the composite scores of individual students on the ACT college entrance…

Q: The SAT is an exam that is used by many universities for admission. Suppose that the scores on the…

A: Solution: Let X be the score on SAT mathematics exam. From the given information, X follows normal…

Q: Tom's commuting time from his residence in Carmel to the IUPUI campus has a normal distribution.…

A: The question is about normal distribution Given : Std. deviation of the commute time ( σ ) = 8…