Yearling Angus steers had a mean weight of 1152 pounds with a standard deviation of 84 pounds. What's the actual weight of an animal whose z-score is - 1.5?

Q: a successful basketball player has a height of 6 feet 9 inches, or 206 cm. Based on statistics from…

A: Given,           Z -score=4.45           A basket ball player has a height of  6 feet 9…

Q: On a nationwide math test, the mean was 75 and the standard deviation was 7. If Roberto scored 70,…

A: The z score indicates how many standard deviations that a data points away from the mean. It can be…

Q: On a nationwide math test, the mean was 51 and the standard deviation was 4. If Roberto scored 70,…

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Q: On a nationwide math test, the mean was 60 and the standard deviation was 7. If Roberto scored 90,…

A:

Q: Twenty-nine percent of adult Internet users have purchased products or services online. For a random…

A: It is given that 29% of the users purchase online. Therefore, probability of a randomly selected…

Q: If you have 100 people in your sample, what would be the degrees of freedom you use to calculate the…

A: Given, n=100 Degree of freedom(df)=?

Q: Which average - mean, median, or mode - is associated with the standard deviation? A. mean B.…

A: We have to find Which average - mean, median, or mode - is associated with the standard deviation

Q: The We Go Farther Tire Company advertises a tire that lasts for 80,000 miles. The mileage for the…

A:

Q: On a nationwide math test, the mean was 57 and the standard deviation was 10. If Roberto scored 80,…

A:

Q: On a nationwide math test, the mean was 63 and the standard deviation was 10. If Roberto scored 85,…

A: GivenMean(μ)=63standard deviation(σ)=10score(x)=85

Q: On a nationwide math test, the mean was 69 and the standard deviation was 7. If Roberto scored 80,…

A: Given,mean (μ)=69standard deviation (σ)=7andRoberto score(X)=80

Q: The time spent by a teacher at work in the holidays is normally distributed with a mean of 20 hours…

A: Given: Mean = 20 Standard deviation = 5

Q: Alcohol is claimed to be a factor in 39% of all fatal car accidents in the United States. The town…

A: The sample recored needs to show alcohol as a factor to suggest a significant difference exists…

Q: After examining a child at his​ 2-year checkup, the​ boy's pediatrician said that the​ z-score for…

A: The z score is given by Z = 1.31

Q: During I week, an overnight delivery company found that the weights of its parcels were normally…

A: 1. a. The percent of the parcels weighed between 12 oz and 30 oz is obtained below: It is given that…

Q: A recent survey was conducted to compare the cost of solar energy to the cost of gas or electric…

A:

Q: 95% of 80 night students scored between 70% and 80% on a quiz. If this data is normally distributed,…

A: Given: Total number of students n=80.             let X  denote the marks of students then,  X ~N(µ,…

Q: In a study of Ridge View's boys' basketball team, the average height is 68 inches and standard…

A: Given, mean =μ=68Standard deviation = 4x = 78

Q: what does the mean and the standard deviation represent in data set? how would i interpret the…

A: Mean and standard deviation in data set:The mean represent the average value in a data set. In other…

Q: What is the difference between what the z score measures and what the standard deviation measure?

A: z score is standard score and the formula for finding z score is,

Q: The mean grade of Adrian in the standard deviation was 7. In Science, his mean grade was 89 and the…

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Q: How many standard deviation above or below the average guitar cost is the guitar?

A: Given, The cost of guitar (X=$650) The mean cost of guitar is μX=$550 The standard deviation cost of…

Q: Ninety nine percent of scores fall between 3 and -3 standard deviations from the mean.  True or…

A: The empirical rule is helpful for interpreting the values for a standard deviation. According to…

Q: An upscale women's clothing boutique in Laguna Beach, on average, has daily sales of $28,176.44. The…

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Q: On a nationwide math test, the mean was 57 and the standard deviation was 4. If Roberto scored 90,…

A: Formula for z-score is

Q: what is the mean and standard deviation?

A:

Q: A forest ranger researching ecosystem recovery following forest fires collected data on a large…

A: Given that Mean = 3.2 feet Standard deviation = 0.6 feet

Q: The heights of women have a symmetric distribution with a mean of 66 inches and a standard deviation…

A: Given dataMean = 66 inchesStandard deviation =2.5 inchesApplying empirical formula68% of data falls…

Q: Which average - mean, median, or mode - is associated with the standard deviation?

A:

Q: PROVIDE TYPED ANSWER  What is the mean age among men? What is the standard deviation (SD) of age…

A: A table with demographics, disease traits, BMI for all men and women are given.Also,Level of…

Q: Skye High School has a total of 500 graduates.  The mean SAT score of Skye High School graduates is…

A: Given data,μ=947σ=205P(X≥1000)=?

Q: Professor Ivy’s students have a Mean grade of 69.5 and a Standard Deviation of 6.5.  If Johnny has…

A: From the provided information, Mean (µ) = 69.5 Standard deviation (σ) = 6.5 Let X be a random…

Q: The reading speed of sixth-grade students is approximately normal, with a mean speed of 125 words…

A: Given: μ= 125 σ = 24 The formula pf z score is, Z=X-μσ The value of z at the 80th percentile, i.e.,…

Q: What is the mean age among men? What is the standard deviation (SD) of age among women? Is there any…

A: 1. Here we need to find the mean age among men. Here if we check the "Men" column and "Age in years"…

Q: The scores of students on an exam are normally distributed with a mean of 403 and a standard…

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Q: What is the standard deviation?

A: We have to calculate the SD for the given frequency distribution.

Q: A successful basketball player has a height of 6 feet 77​inches, or 201201 cm. Based on statistics…

A: Given information- Height of a player = 201 cm Z-score = 3.743 We know that standard height is given…

Q: What is the weight of the newborn elephant at the 33rd percentile? Round to the nearest whole number

A: Given:   birth weights of newborn elephants = X X is Normally distributed mean of X = 160 pounds…

Q: Which data set would you expect to have the highest standard deviation? Why? Heights (lengths) of…

A: 7. Answer: The b) Heights of all elementary school children have the highest standard deviation.

Q: If the mean height of a full-grown Wookie is 83 inches with a standard deviation of 4 inches, what…

A: Mean=83 Standard deviation =4 Z score =? For x=88

Q: On the final exam, your friend scored a 93 and you scored a 85. The scores are normally distributed…

A: Obtain the Z-score for the random variable X equals 85. The Z-score for the random variable X equals…

Q: The college board reports that in a recent year, the mean mathematics SAT score was 514, and the…

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Q: According to the Department of Education the mean number of hours college students spend studying…

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Q: A learner has the following scores. an ACT composite score of 32 an SAT critical writing…

A: To find : What are the z-scores for the data?

Q: The reading speed of sixth grade students is approximately normal with a mean speed of 115 word per…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: A man was out shopping buying 100 watermelons. He wanted to buy the largest fruit so he calculated…

A: We have to find out given probability..... As per guideline expert have to find out given first…

Q: Rashid is 84 inches tall. If the height of males in the United States is normally distributed with a…

A: Given :                data point = 84                 mean = 70                standard deviation…

Q: the standard deviation or the interquartile range

A: answer of given question is in step 2

Q: What is the Standard Deviation?

A: You want to know about standard deviation.We will deeply understand the meaning of standard…