The main cost of a 5 pound bag of shrimp is $46 with a variance of 49 if a sample of 48 bags of shrimp is randomly selected what is the probability that the sample man would be less than $47.8 round your answer to 4 decimal places

Q: (a) Develop an estimated multiple regression equation that relates risk of a stroke to the person's…

A: In this case, Risk of stroke is the dependent variable and Age, Systolic blood pressure, and Smoking…

Q: A sample of n = 6 scores has a mean of M = 10. One score in sample is changed from X = 12 to X = 0.…

A: Given that, n = 6  mean of M = 10

Q: The variance accounted for Y by X is termed A. The correlation B. The sums of squares C. The…

A: The strength and direction of linear relationship between two variables is measured by correlation.

Q: Twelve percent of U.S. employees who are late for work blame oversleeping. You randomly select four…

A:

Q: The weights of steers in a herd are distributed normally. The variance is 10,000 and the mean steer…

A: Population mean=1400Population variance=10000Population standard deviation =√Variance=√10000=100

Q: Q. 2 A study was conducted to study the association of coffee drinking and anxiety in a sample of…

A: From the given we have to form the contingency table, Data Develops anxiety  No anxiety  Total…

Q: Maddie teaches a class in which grades on an exam are normally distributed with a mean of u=100 and…

A:

Q: The life of light bulbs is distributed normally. The variance of the lifetime is 625 and the mean…

A: Given information- Population mean, µ = 570 hours Population variance, σ2 = 625 So, Population…

Q: A population has a stand. dev. of 24. on average, how much difference should there be between the…

A:

Q: The variance of this population data set 1.4,8.2,3.7,7.1 and 9.1 is : Select one: O A. 10.515 B.…

A:

Q: The variance of a population is 5. The size of the sample collected from a population is 225. What…

A: Answer: From the given data, Variance (σ2) = 5 ⇒Standard deviation (σ) = Variance = 5…

Q: A distribution of scores has no mode and the same median and mean values. This indicates that the

A: From the given information above, A distribution of scores has no mode and the same median and mean…

Q: The mean and variance of a set of 9 observations have magnitudes 8 and 3 respectively. If two…

A: Solution:-   To find the new variance after removing two observations, we need to calculate the new…

Q: A simple random sample of 100 observations was taken from a large population. The sample mean and…

A:

Q: A professor knows that her statistics students' final exam scores have a mean of 75 and a standard…

A: From the given information, μ=75σ=12.2 In his class, an "A" is any exam score of 90 or higher.…

Q: ple of n = 15 scores has a mean of M = 6.  One person with a score of X = 22 is added to the sample.…

A: The mean formula is, Mean = Sum of all observations/ Total observations, Given: Mean (M) = 6 Total…

Q: A credit card company monitors cardholder transaction habits to detect any unusual activity. Suppose…

A: Given that  the dollar value of unusual activity for a customer in a month follows a normal…

Q: A sample of n = 4 scores has a mean of M = 8. If one new score with a value of X = 3 is added to the…

A: Given,No. of observations (n) = 4and mean (M) - 8we know that,Mean (M) = ∑Xii=1nn

Q: It's estimated that only about 5% of the population has hazel eyes. What is the probability that…

A:

Q: If the deviations six of values from their mean are 0 , -6, 7 , -2 , 5 , -4 then the variance equal…

A: Variance: Variance is used to explain how the data points (or values) are deviated from the mean and…

Q: (b) Is smoking a significant factor in the risk of a stroke? Explain. Use a 0.05 level of…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: A recent 10-year study conducted by a research team at the Great Falls Medical School was conducted…

A: "Since you have posted a question with multiple sub-parts, we'll solve the first three sub-parts for…

Q: One sample has n = 5 scores and the second has n = 10 scores. If the pooled variance for the two…

A: Given information Pooled variance = 30 n1 = 5, n2 = 10

Q: The height (in inches) of a random sample of players in NCAA Division 1 basketball teams is shown to…

A: Observation: XX X^2X2 1 75 5625 2 80 6400 3 75 5625 4 87 7569 5 77 5929 6 77 5929 7 67…