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The diameters of peaches in a certain orchard are normally distributed with a mean of 3.85 inches and a standard deviation of 0.42 inches. Show all work.
(A) What percentage of the peaches in this orchard is larger than 3.79 inches?
(B) A random sample of 100 peaches is gathered and the mean diameter is calculated. What is the probability that the sample mean is greater than 3.79 inches.
Is there a relationship between sales and newspaper?
The number of viewers of American Idol has a mean of 29 million with a standard deviation of 5 million. Assume this distribution follows a normal distribution.
At a certain pizza parlor, 45% of the customer's order a pizza containing onions, 38% of the customer's order a pizza containing sausage, and 79% order a pizza containing onions or sausage
The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test.
What is the probability that a particular driver had exactly two speeding violations?
Test the given claim using the traditional method of hypothesis testing.
A) Resistant statistics should always be used. B) Resistant statistics should be used when the data is not bell-shaped. C) Sensitive statistics should be used when the data is not bell-shaped. D) Sensitive statistics should always be used. E) Resista..
Determine and report the within-group slope which relates Y to Xc (for this, you will have to look at your regression printout).
In order to estimate the difference between the average hourly wages of employees of two branches of a department store, the following data have been gathered.
To test is there any significant difference among two proportions. The Damon family owns a large grape vineyard in western New York along Lake Erie.
Consider the many possible distributions of grades on a quiz in a statistics class; imagine that the grades could range from 0 to 100.
Students need a score of 60 points to pass the exam. What is the probability that a randomly selected student will pas the exam? (P(X ≥ 60))
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