The weights of 100 female students aged 15 to 20 years have a mean of 120 pounds and a standard deviation of 6 pounds. What percent of the students have weights below 110 pound

Q: The number of goals scored by a college soccer team for a given season are 4, 9, 0, 1, 3, 12, 3, 7,…

A: The population mean is, μ=∑xN=4+9+0+1+3+12+3+7+4+5+8+212=5812=4.8333 The population mean is 4.8333.

Q: ample of 3000 persons were surveyed for their walght in pounds, the mean weight is 135 lbs with a…

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Q: If the average weight for cats is 12 pounds and the standard deviation is 2 pounds. 95 percent of…

A: Given data:  average weight for cats = 12 pounds standard deviation = 2 pounds. To find: 95 % of all…

Q: Assume that among the members of a men's gym, the distribution of body weights has a mean of 188…

A:

Q: A population has mean 49 and standard deviation 5. What is the data value that has a z-score of 2?…

A:

Q: If the average weight for cats is 12 pounds and the standard deviation is 2 pounds. 68 percent of…

A: Given data: If average weight for cats = 12 pounds standard deviation = 2 pounds. To find: 68% of…

Q: lves have a mean  weight of 100 pounds, with a standard deviation of 24 pounds. Find the weight…

A: Find the weight range for the central 82% of the wolves.

Q: The Sum of Squared Errors for a data set of 18 numbers is 36. What is the standard deviation?

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Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: The mean grade on a science test was 79 and there was a standard deviation of 6. If your sister…

A: The z score explains the deviations of the observations from the mean. It is calculated using the…

Q: A test has a mean of 140 and a standard deviation of 27. What proportion of people have scores…

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Q: A history class has 95 members. If there is a 22% absentee rate per class meeting , find the mean…

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Q: The mean grade on a science test was 79 and there was a standard deviation of 6. If your sister…

A: We have given that,  Let X be the random variable from normal distribution with mean (μ)= 79,…

Q: A standardized test has a pop. mean of 152 and a standard deviation of 16. Nicole has a score of…

A: From the provided information, Mean (µ) = 152 Standard deviation (σ) = 16 X~N (152, 16)  Nicole has…

Q: A data set has size of 40. How many observations lie within two standard deviations of either sides…

A: The 68-95-99.7% (Empirical) Rule: For a normal distribution, the empirical rule (68-95-99.7% Rule)…

Q: A class has a average height of 68 inches and a standard deviation of 2 inches. What percent of the…

A: Let x be the height which follows normal distribution with mean 68, and standard deviation 2. The…

Q: The weights of 1,000 children average 50kg and the standard deviation is 5kg. How many children…

A: Given  mu=50, sigma=sd=5, n=1000 We want to find How many children weigh between 40kg and 55 kg?

Q: n a qualifying examination for admittance to the BS Psycholo the mean score was 75 and the standard…

A: Given that  mean =75 ,s.d = 8

Q: Students at Roseville High School took an IQ test with a mean of 100 and a standard deviation of 15.…

A: GivenMean(μ)=100standard deviation(σ)=15

Q: The mean grade on a final examination was 72 and the standard deviation was 9. The top 10% of the…

A: Mean(µ) = 72Standard deviations (σ) = 9

Q: The weights of men are normally with a mean of 172 pounds and a standard deviation of 29 pounds.…

A: Let X be the random variable from normal distribution with mean (μ) = 172 and standard deviation (σ)…

Q: a set of piano prices are normally distributed with a mean of 3000 dollars and a standard deviation…

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Q: What percentage of the widget Weights lie between 55 and 79 ounces when the mean is 61 and the…

A: We have to  given probability...

Q: standardized test has a pop. mean of 152 and a standard deviation of 16. Jenny has a score of 143.…

A: Given that Mean=M=152, Standard Deviation=Sd=16, Jenny score=X=143

Q: Two teachers recorded test scores of a small group of students. What is the approximate difference…

A: From the provided information, Bowman group score: 69, 73, 79, 83, 93, 97, 98, 100 Gray group score:…

Q: A person in the U.S. eats about 25 pounds of M&M's per year with a standard deviation of 3 pounds.…

A: Solution: Given  μ= 25 Pounds  Population meanσ= 3 Pounds Population standard deviations Assumed…

Q: A successful basketball player has a height of 6 feet 4 ​inches, or 193 cm. Based on statistics from…

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Q: there are 75 students in the class and 20 students are getting a+ grade in the class find the mean…

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