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Find out the probability for Normal distribution with given mean and standard deviation. Given length an athlete throws a hammer is a normal random variable with mean 50 feet and standard deviation five feet, what is the probability he throws it: Between 50 feet and 60 feet?
Discuss whether the percent distribution of the cross-tab and chi-square supports/does not support the researcher's hypothesis.
What is the probability you pick a plum and Which of the following is a legitimate probability distribution for this situation
Which of these variables are discrete and which are continuous random variables?
Give a possible description why serum cholesterol values for older males are lower than for younger males and reverse is true for females.
For a t distribution with 16 degrees of freedom, find the area, or probability, in each region.
A bank official reported the results of a regression analysis designed to predict the bank's charges (y), measured in dollars per month, for services rendered to local companies.
Then estimate demand again with a weighted moving average in which sales in the most recent year are given a weight of 2 and sales in the other two years are each given a weight of 1.
Using a 1% level of significance, can the hypothesis that the distributions for the student's scores are identical be accepted?
Determine for each variable if it is the explanatory variable, the response variable, or whether it could be both.
What is an appropriate sample space for this experiment?
The ages of cars owned by all employees of a large company have a bell shaped distribution with a mean of 8 years and a standard deviation of 2 years. Using the empirical rule, find the approx. percentage of cars (owned by those employees) that are b..
If a blue ball is selected you win nothing. Let X be the amount that you win. The expected value of X and let the random variable X be a random number with the uniform density curve given below
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