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Of three cards, one is painted red on both sides, one is painted black on both sides and one is painted red on one side and black on the other. A card is randomly chosen and placed on a table. If the side facing up is red, what is the probability the other side is also red.
1. the company believes that it averages about the same weight per bag in each of two production lines. to test this
Using the empirical rule, what is the approximate percentage of women between 156cm and 166cm? Using Chebyshev's Theorem, at least what percentage of women are between 149cm and 173cm?
Prepare an analysis of your survey. Determine if you have used the appropriate measures to research your business problem, and identify the level of measurement being used for each of your survey questions.
An analysis decides to remove records that have missing values-About how many records would you expect would be removed
If the null hypothesis is true, then how much difference should be expected, on average, between the two sample means?
The main goal of correlation research is ______________
Sugar in Cereal. Different cereals are randomly selected, and the sugar content (grams of sugar per gram of cereal) is obtained for each cereal
A bank manager recorded the number of hours taken to accomplish a particular task. He got the data below. Hours:10, 11, 12, 13, 14, 15, 16, 17, 18. Number of Employees: 2, 4, 6, 8, 10, 12, 14, 16, 18. Find the coefficient of correlation(r).
Find the mean and standard deviation of X, the number of students in class, who will develop influenza.
Construct a 95% confidence interval for the population mean, assuming a normal distribution?
What is the percentile rank for someone who got 350 points and what percentage of students had between 275 and 375 points?
A test was conducted to find out whether gender of a spokesperson affected the likelihood that consumers would prefer a new product. A survey of consumers at trade show employing a female spokesperson determined that 70 out of 150 customers prefe..
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