The heights of women aged 20 to 29 are symmetrically distributed with a mean of 64 inches and a standard deviation of 2.7 inches. What is the z score for a woman who is 6 feet tall? IMPORTANT: Enter your answer as a decimal with no words. If your answer is a decimal, round it to the nearest hundredth.

Q: The number of assists per match for the setter on IVC's volleyball team has a mean of 51 and a…

A: Given information- Population Mean µ = 51 Standard deviation (σ) = 13 We have to find the number of…

Q: Suppose your statistics professor graded your test with a Z Score.  You earned a 3.25 on a test with…

A: Answer:- Given, Mean, µ = 71  Standard deviation, σ = 8  And Z-score = 3.25  We need to find the…

Q: some reports, the mean and coefficient of variation are given. For instance, one report gives the…

A: Given that the mean is 2.6 and the coefficient of variation is 2.7%. We have to find the standard…

Q: For a population With a mean of 75 and a standard deviation of 12, what is the probability that a…

A:

Q: A researcher measures the amount of food consumed by each dog in her lab. She finds that the mean…

A: It is given that mean amount of food is 12 oz and number of dogs is 16. The sum of squared…

Q: The mean and standard deviation of players' heights for the 2003 NBA season were H 79.5 inches and o…

A: A z-score (also called a normal score) gives an indication of how far from the mean a data point is.

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: After 5 points are added to each score in a sample, the mean is found to be M=45 . What was the…

A: Given data: c = 5 points are added to each score in a sample. New mean, M = 45 Let the original mean…

Q: The rainfall in a town last year measured 31 inches. If the annual rainfall has a mean of 48.89…

A:

Q: Tom scored a 125 on a measure of math ability and a 42 on a measure of verbal ability.The means and…

A:

Q: Below represents the amounts that a random sample of employees reported that they spent on dinner…

A:

Q: Tom runs a large animal shelter. At Tom's shelter, the length of stay for puppies has a mean of 76…

A: Given,mean(μ)=76standard deviation(σ)=13and X=41

Q: Scores on a test have a mean of 6 and a standard deviation of 9. Michelle has a score of 57. Convert…

A:

Q: Steven ran the 100 meter dash in 13 seconds.  What is his T-score if the class mean was 14 seconds…

A: t statistic

Q: The heights of a 10 year old American children are normally distributed with a mean height of 4 feet…

A: Given, Mean m = 51 Standard deviation sigma = 4.25

Q: The average and standard deviation for ACT scores are 20 and 3 respectively. average and standard…

A:

Q: Use the normal distribution of IQ scores, which has a mean of 75 and a standard deviation of 18 ,…

A: X~N(μ=75,σ=18)

Q: A medical lab tested a sample of 8 vials of blood for acidity on the pH scale.  Use this data to…

A:

Q: The manager of a department store wants to estimate the average amount of money a customer will…

A:

Q: On a nationwide math test, the mean was 72 and the standard deviation was 7. If Roberto scored 90,…

A: Given that, Mean = 72 Standard deviation = 7

Q: Which test was better?. Gina took a midterm in her math class and her biology class. After she gets…

A: The objective is to calculate z score for math test for Gina. we have given  x=47 mean(x)=39…

Q: For standard deviation, the x-x or the y-y, which numbers do you use?

A: Please find the explanation below.

Q: Ivan and his family are relocating to Los Angeles and have found a great area in which to live. The…

A:

Q: The mean and standard deviation for the final exam in Dr. Fudd's class were as follows: mean = 86…

A: Given that  Mean = 86  ,  Standard deviation = 3  Bugs scored = 88

Q: Mark went around the neighborhood collecting spare change for charity. The 7 families gave: $5.00 ,…

A: The spare change amount given by families for charity is:- $ 5.00 $ 4.00 $ 4.00 $ 6.00 $…

Q: With the extra data value,  the range, standard deviation, and variance is?

A: Given data: 3.31 2.79 2.83 1.97 1.69 2.54 2.46 3.44 3.93 1.59 2.86 1.61 2.57 4.02 2.49 2.42…

Q: uan and his family are relocating to Los Angeles. They purchased a home they really like, which cost…

A: Solution: Given information: μ= $735000  Population mean σ=$17050  Population standard deviation.

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A: The formula for calculation of z – score is shown below                   z = (x – xbar)/sd where, x…

Q: The prices of all college textbooks follow a bell-shaped distribution with a mean of $108 and a…

A: HERE GIVEN FOR BELL SHAPED DISTRIBUTION  MEAN=$108 S.D=$21

Q: Sameer's score in a quiz was 25 and he was five standard deviations above the mean in this quiz. The…

A: Sameer’s score is 25. The mean score of quiz is 20. It is given that Sameer's score in a quiz was 25…

Q: You want to know the percentage of utility companies that earned revenue greater than 94 million…

A: Given Mean(μ)=60standard deviation(σ)=15

Q: The annual rainfall in a town has a mean of 54.57 inches and a standard deviation of 12.84 inches.…

A: Given problem Given that   The annual rainfall in a town has a mean of 54.57 inches and a standard…

Q: If actual period demand varies from the forecast by more than 3MAD, this indicates: there is 3%…

A: Given the statement that "actual period demand varies from the forecast by more than 3MAD"

Q: The following graph shows the mean change in mass of two groups of animals fed on different diets…

A: The following graph shows the mean change in mass of two groups of animals fed on different diets…

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.