In a particular examination, the mean score is 82 and the standard deviation is 3.7. What is the Z- score of a particular student whose score is 91? Select the correct response: 1.89 2.22 O 2.94 2.43

Q: Former basketball player, Rebecca Lobo, is 6'4" (or 76 inches). Suppose the average height of women…

A: We know, (1 foot = 12 inch)Given;X: height of womenmean(X)=μ=5'4''(i.e. 5 foot 4 inches)=64''(i.e.…

Q: A statistics professor gave a final exam to a class of 30 students. The exam scores are normally…

A: Given,mean(μ)=75standard deviation(σ)=10

Q: Refer to the accompanying table, which describes the number of adults in groups of five who reported…

A: Given that ; X represents the number of adults in groups of five who reported sleepwalking P(x) is…

Q: Fifteen students score the following on their math test. 46, 98, 24, 75, 83, 92, 68, 70, 88, 65,…

A: The following  fifteen students  score on their math test  is . 46, 98, 24, 75, 83, 92, 68, 70, 88,…

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

A:

Q: Use the sample mean(78.5)and sample standard deviation (12.3671)in your calculations below. Use…

A: Given that:

Q: For the Given values of 80, 86.5, 72.2, 94.2 and 76.9 , Calculate (i) Mean (ii)Algebraic Sum of…

A: Solution:-

Q: In 2005, 1,475,623 students heading to college took the SAT exam. The distribution of scores in the…

A:

Q: A Gallup poll wants to determine the mean number of books Americans read each year. How many…

A: given, population standard deviation σ = 5.4 Margin of error (E) = 0.57 significance level (α) =…

Q: Suppose the mean height in inches of all 9th grade students at one high school is estimated.

A: Population standard deviation, σ =3 inches Sample size n=6

Q: Deforestation along the Sierra Madre mountains have been especially notorious. The average number of…

A: Given that.   X~N( μ , ?)   μ=4373    , ?=610   Z-score =( x - μ )/?

Q: Compute the standard error of the mean from the following scores; 45, 34, 65, 47, 15, 25 Round your…

A: Given data: scores; 45, 34, 65, 47, 15, 25 To find: standard error of the mean

Q: C. Find the probability that a randomly selected district had fewer than 1994 votes for President…

A:

Q: Christine is currently taking college astronomy. The instructor often gives quizzes. On the past…

A: Given that the data 95 , 69 , 128 , 78 , 64 , 53 , 79 .

Q: For the Given values of 88, 85.6, 75.2, 99.6 and 78.1, Calculate (i) Mean (ii)Algebraic Sum of…

A: We are given with the data and we have to find the mean and other parameters which we can find by…

Q: In 1974, the mean height of a woman in the United States was 63.7 inches, with a standard deviation…

A: given data normal distribution μ = 63.7σ = 2.5P(x>z) = 0.88x = ?

Q: The weights for newborn babies is approximately normally distributed with a mean of 5.9 pounds and a…

A: As per company guidelines .I solved exactly 1st 3 sub parts .

Q: You want to estimate the mean number of friends for all Facebook users. How many users must be in…

A: Given data :  95% CI Standard deviation = 53 E = 7

Q: dying the number of gallons of gasoline purchased per customer at self-service pumps. The mean…

A:

Q: Given the set of data: (77, X. 75, 79, 79, X, 76, 75, X, 76}. If the unknown data X is the mode and…

A:

Q: What is the percentile rank for a student who scored 74 on a softball rules test if the class mean…

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Q: Find the Mean and Standard Deviation for the prompts below: A survey found that 21% of Americans…

A: Binomial Distribution :  A binomial distribution is a specific probability distribution. It is used…

Q: USE A CALCULATOR  In the 1992 presidential election, Alaska’s 40 election districts averaged 1,956.8…

A: Hey, since there are multiple subpart questions posted, we will answer first three subpart…

Q: Compute the standard error of the mean from the following scores; 45, 34, 65, 14, 15, 25 Round your…

A: Given data: 45, 34, 65, 14, 15, 25 n = 6 To calculate: Compute the standard error of the mean

Q: A baseball team is reviewing their batting statistics. The mean number of hits for the batters on…

A: Given Population mean μ=124,  standard deviations σ=14.5  Let X be the baseball team is reviewing…

Q: 3. Listed below are the number of major injuries each year. The number listed are from year…

A: Sort the data from smallest to largest. a. The mean of the data is obtained by :  sum of all…

Q: A Gallup poll wants to determine the mean number of books Americans read each year. How many…

A: The population standard deviation is .The margin of error is The level of Confidence level is .

Q: According to the bookstore, 79% of students sell their used books back to the bookstore after the…

A: Givensample size (n) = 75p=0.79

Q: The average chef at a restaurant earns $17 an hour with a deviation of $1.75. What are the chances…

A:

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 2108 votes per district…

A: Given: Alaska's 40 election districts X = number of votes for President Clinton for an election…

Q: Jane got the following grades (%) on her final year report card: 76, 94, 56, 78, 62, 88, 94, 86 and…

A: Given data is76, 94, 56, 78, 62, 88, 94, 86,72sample size(n)=9

Q: In 2018, the average time spent on campus for undergraduate students (during weekdays) was estimated…

A: Z-test is defined as any statistical test for which the distribution of the test is statistical…

Q: For the following set of scores, fill in the cells.  The mean is 74.13 and the standard deviation is…

A: Given: Meanμ=74.13Standard deviation(σ)=9.98 Z score: z=x-μσ

Q: Give the TI commands to find the mean, median, and standard deviation and compare to the original…

A: TI Calculator

Q: According to the U.S. Census, the average adult woman is the United States is 65 inches tall and the…

A: Given X is normal Distributed with mean µ = 65.0 and standard deviation σ = 3.0 Need to find Z score…

Q: An agronomist measured the height of 134 canola plants. The mean height was 214 cm and the standard…

A:

Q: Most medical schools require applicants for admission to take the Medical College Admissions Test…

A: It is given that mean and standard deviation are 500 and 10.6, respectively.

Q: In a survey of women in Canada, the mean height was 65 inches with a standard deviation of 3 inches.…

A:

Q: Calculate the standard deviation for the following set of scores: 18, 22, 26, 22, 34, 7, 18.  (Use…

A: Given set of scores is18,22,26,22,34,7,18sample size(n)=7