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Find the probability for Uniform distribution. A manager of a large department store with three floors reports that the time a customer on the second floor must wait for an elevator has a uniform distribution ranging from 0 to 16 minutes. It takes the elevator 1 minute to go from floor to floor, find out the probability that a hurried customer can reach the first floor in less than 5 minutes after pushing second-floor elevator button.
(a) 1/4
(b) 5/16
(c) 3/8
(d) 1/2
(e) None of the above.
Determine the probability of choosing at random license plate which ends in the even number?
Suppose Abraham Lincoln had answered a survey questionnaire in which he indicated that he had not received a grade school diploma. The researcher found that Lincoln's educational score did not correlate with the expected variables. What was wrong?
What is the likelihood all four of the selected flights arrived within 15 minutes of the scheduled time?
State in each of given cases whether you would expect relationship between given variables to be positive or negative or neither.
The lifetime of a 2-volt non-rechargeable battery in constant use has a Normal distribution with a mean of 516 hours and a standard deviation of 20 hours. The proportion of batteries with lifetimes exceeding 520 hours is approximately.
If the standard deviation is $89.46, find the probability that a randomly selected customer spends between $550.67 and $836.94.
The number of degrees of freedom corresponding to between treatments is:
Evaluate the mean wait time and throughput rate
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When combining probabilities, to find the probability of one event AND another event, the separate probabilities should be:
A sample of approx 25 students enrolled in the university points out that X (bar) = $315.4 and s = $43.20.
Determine the dependent variable(s)? Determine the value of the statistic? Write down the name of one variable not mentioned in this study that one might wish to control for.
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