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a) What is the probability that "two" is the lowest number thrown?
b) What is the probability that "five" is the highest number thrown and "three" is the lowest?
under the null hypothesis, what is the expected number of product A that would be sold by office 2. A contingency table is made up of 8 rows and 4 columns. how many degrees of freedom are present?
q1. following are the total scores of three subjects of seventy four year 8 students from a highschool.10nbspnbsp 1 4 6
What is the logic behind using the sum of the products of deviation scores as the numerator of the formula for the correlation coefficient? Is this logic sound?
The university policy department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with mean of 6.5 tickets per day. Interpret ..
The weight of a .5 cubic yard bag of landscape mulch in uniformly distributed over the interval from 38.5 to 41.5 pounds. Give a mathematical expression for the probability density function.
A new soft drink is being market tested. A sample of 400 individuals participated in the taste test and 80 indicated they like the taste. At a 5% significance level, test to determine if at least 22% of the population will like the new soft drink.
Use a 0.05 signi cance level to test the claim that when the 13th day of a month falls on Friday, the numbers of hospital admissions from motor vehicle crashes are not a ected.
Create a 90 percent confidence interval for the population proportion of all such firms with this as the primary motivation.
A survey found that 85% of women in a given city enjoy shopping online. Suppose you randomly selected 6 women from the city and ask them whether or not they enjoy shopping online. Find the probability that exactly 4 say they enjoy shopping online.
A psychologist has developed a test to measure self-control. The test is normed so that it has a mean of 100 and a standard deviation of 15... The scores are normally distributed in the population of college students used to develop the test.
For the population with standard deviation of σ =10 a score of x=44 corresponds to z= -0.50. Determine the population mean?
Critically discuss why the dowload is a continous numerical varaible and critically discuss why the download time is a ratio scaled variable.
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