Data with 1,000 observations are drawn from a bell-shaped distribution with a mean of 85 and a standard deviation of 15. Approximately how many observations are more than 115? (Round your answer to the nearest whole number.)

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: given data, normal distribution , μ=100σ=15we have to find out the shaded region for the given…

Q: The Standard Deviation for the Sum of Squared Errors for a data set is 9.8. What is the cutoff for…

A: Given that: Sample standard deviation for SSE or residuals is, s=9.8

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A:

Q: The coefficient of variation CV describes the standard deviation as a percent of the mean. Because…

A: Given Data :  Below table will be used to calculate the mean and standard deviation   Height…

Q: The estimated standard deviation is°F. (Round to two decimal places as needed.) Compare the result…

A:

Q: collected data on the cost of computers at best buy shows that 95% of the prices are between what…

A: The two values of cost of computers at best buy in which about 95% of the prices are is obtained as…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A:

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Given,mean(μ)=100standard deviation(σ)=15and z-score=0.7

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Mean()=100standard deviation()=15

Q: The coefficient of variation CV describes the standard deviation as a percent of the mean. Because…

A: For Heights and Weights, Heights Weights   76 181   71 198   66 165   80 214   73 229…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Given information: μ=100, σ=15 P-value for the x-value shown in graph = 1 - 0.55 = 0.45 Determine…

Q: 0.2743 d.)

A: For a random variable, X~N(μ,σ2), the z-score is, Z=X-μσ    .... (1)where, μ=population…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Given information Mean = 100 Standard deviation = 15 P(X > x) = 0.65 P(X < x) = 1 – 0.65 =…

Q: Scores range from 0 to 200. The mean for Canadian college students is about 115, and the standard…

A: The given data is as follows:Population mean, Population standard deviation, Sample size, Sample…

Q: people where sampled and their heights were recorded, it was discovered mean height was 5 feet and…

A: Given that  Population mean μ =5 feet 6.3 inches =66.3 1feet=12 inches  5feet=12×5=60+6.3=66.3…

Q: To find an 88% confidence interval for mean body temperature of healthy US adult women using the…

A: Sample mean, x¯ = 98.382 sample standard deviation = s = 0.712 sample size, n = 50 Here the sample…

Q: A data set has a mean of 70.7 and a standard deviation of 6.2. The score of 69, is how many standard…

A:

Q: The area of the shaded region is (Round to four decimal places as needed.)

A: mean = 100 standard deviation = 15

Q: The scores on a standardized test are normally distributed with a mean of 95 and standard deviation…

A: Let "X" be the test score. Find z-score (z): The z-score is the measure of how far the standard…

Q: The indicated IQ score, x, is (Round to one decimal place as needed.)

A: Let , X→N(μ=100 , σ=15) Our aim is to find the value of the indicated IQ score.

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A:

Q: standard deviation is s = 30. Determine the test statistic for this test.

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Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Let X denote the IQ scores and it follows normal distribution with  mean of μ=100 and standard…

Q: A set of data items is normally distributed with a mean of 17 and a standard deviation of 5. Find…

A: (a)   Obtain the data value that corresponds to the Z-score of –1.25. The data value that…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults , and those scores…

A:

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A:

Q: Scores of on a math test were normally distributed with a mean of 82 and a standard deviation of 6.…

A: The importance of standard normal curve lies in the fact that one has not to tabulate probability…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.