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The miles-per-gallon obtained by the 2010 model Q cars is normally distributed with a mean of 22 miles-per-gallon and a standard deviation of 5 miles-per-gallon.
a. What is the probability that a car will get between 13.35 and 35.1 miles-per-gallon?
b. What is the probability that a car will get more than 29.6 miles-per-gallon?
c. What is the probability that a car will get less than 21 miles-per-gallon?
100 trials are run for a poisson process. if the probability of a success is 0.02 what are the mean number of successes
response time at an online site can be modeled with an exponential distribution with a mean service of 5 minutes. john
Random sample of 100 voters showed that 55 of those sampled will vote for her. Is it likely that her assertion is correct at the 0.05 level of significance?
I did a study correlating net profit per location with expenditures on an in-house promotion, and got a correlation of about .15, and that was received very well.
he Department of Motor Vehicles (DMV) can service customers at a rate of 20 per hour (or 1/3 per minute) when it comes to license renewals. The service time follows an exponential distribution.
If the oven gets hotter than 475 degrees F, the core is defective. What is the probability that the oven will cause a core to be defective?
The booked passengers actually arrive for the flight. Estimate the probability that if the company books 278 persons. not enough seats will be available.
What total size sample would be necessary if we wanted to estimate the true proportion to within ±0.08 using 90% confidence?
Alice and Bob agree to meet at the bus stop between 12 noon and 1pm. They each arrive at a random time in that interval and wait for 5 minutes before leaving, unless they see the other person. What is the probability that they meet each other?
Derive the probability distribution of the completion times - For each of the distribution in (i) above, calculate their relevant statistics. A task is known to have the following time to completion
find the value of the test statistic z in the given situation. the claim is that less that 12 of all adults in the us
In this paper present the Construction of confidence Intervals and the Proper Interpretation of confidence Intervals and show appropriate examples in the education environment.
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