Determine rate of wind if boy runs five miles per hour
Jim can run five miles per hour on level ground on the still day. One windy day, he runs 15 miles with wind and in same amount of time runs four miles against wind. Determine rate of wind?
Expected delivery within 24 Hours
The express and local train leave Seattle at 3pm and head for Arlington 50 miles away. Express travels twice as fast as local and arrives one hour ahead of local. Determine speed of the train.
Automobile mechanics conduct diagnostic tests upon 150 new cars of specific make and model to find out the extent to which they are affected by the recent recall because of faulty catalytic converters.
An insurance policy covers the loss which is uniformly distributed on [0,1000]. There is a $ 100 deductable upon the policy. (So the company pays any amount over $ 100) Determine the expected payment of a claim?
Fill in an ANOVA table with the appropriate numerical values. Test whether the population mean tread life is equal for the three brands, using alpha = 0.10.
One windy day, he runs 15 miles with wind and in same amount of time runs four miles against wind. Determine rate of wind?
Employ the five steps of hypothesis testing. Figure out the effect size. Discuss what you did to a person who is familiar with the t test for a single sample but is unfamiliar with the t test for independent means.
Given a sample size of 20 with sample mean of 630.6 and sample standard deviation of 90.1, we carry out the following hypothesis test:
A biologist is hired to try to find out the size of the endangered Key Deer population in the Florida Keys. He captures, tags, and releases 25 deer and then several weeks later he inspect random sample of 50 deer and finds out that 10 of them have
Company paid an average of $300 for Douglas fir and $225 for every ponderosa pine. If company paid $217,500 for trees, how many of every type company purchased?
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