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Test whether the gender distribution for basketball fans is significant different from general college by proportion test.
The student population at the stated college consists of 55% females and 45% males.
The same researcher also recorded the gender of each student watching a men's basketball game in the college gym and found a total of 83 females and 97 males. Is the gender distribution for basketball fans significantly different from the distribution for the general college? Test at the .05 level of significance.
what is the sample space of all possible outcomes? Are the outcomes equally likely?
Select the level of significance, and determine critical, ZCR value.
Calculate the correlation coefficient. What is the coefficient of determination from these sample statistics? What does this coefficient indicate?
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
Caselet on McDonald’s vs. Burger King - Waiting time
If the voice identifications were made by random guess, find the probability that all 9 victims would select the same person?
To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments. You are given the results below.
Clark Heter is an industrial engineer at Lyons Products. He would like to conclude whether there are more units produced on the afternoon shift than on the day shift. A sample of 54 day-shift workers showed that the mean number of units produced w..
Let p represent the proportion of registered voters in the state that would vote for the Republican candidate. The standard error for the proportion of those who phoned in who answered "yes" is
Three scholarships are available for students. Their values are: $2,000, $2,400, $3,000. Twelve students have applied and no student may receive more than one scholarship. Assume all twelve students are in needs of the funds, how many different..
Determine the probability of choosing the area code at random which ends in the odd number if first digit cannot be 1 or 0?
Die with 4 sides {1, 2, 3, 4} is tossed 2 times. Let X equal maximum of two observations and let Y equal minimum. Determine joint pmf of X and Y, and correlation coefficient. Are X and Y independent?
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