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Find the diamter of a pipe where (p1-p2) is 55 psi and the height rise along the pipe is 60 ft or (h2-h1) = 60 ft (the exit is higher than the entrance ). there is a pump in a line with a head of 300 ft. the pipe is smooth. lenghth is 1500ft. Q=350 gal/min. the fluid is water, kinematic viscosity = 1*10^(-5) ft^2/sec.
Bruce Kuhlman, owner of Kuhlman Farms, wishes to use brand of fertilizer which will produce maximum yield per acre of wheat. Mr. Kuhlman can select from four different commercial brands. Write down the hypotheses?
Indicators of a maternal diagnosis of toxemia during the pregnancy, a condition characterized by high blood pressure and other potential complications, are saved under the variable name tox (1: toxemia; 0: no Toxemia).
One state lottery has 1000 prizes of $1, 200 prizes of $5, 50 prizes of $25, 15 prizes of $150, 4 prizes of $500, and 1 prize of $2500. What is the lottery expected profit per ticket?
In order that the sample proportion and the population proportion not differ by more than 0.05 with 95% level of confidence, what sample size should be used?
Perform a significance test to see if there is a relation between mortality and duration of employment in the group hired AFTER 1945 and report a p-value.
the city council of pine bluffs is considering increasing the number of police in an effort to reduce crime. before
an insurance company has 10000 automobile policyholders. the expected yearly claim per policy holder is 240 with a
The distribution of hits/9-innings is approximately normal with mean 8.72 and standard deviation 1.10. Demonstrate, statistically, why a no-hitter is considered an extremely rare occurrence in MLB.
Several factors influence the value obtained for a t statistic. Some factors affect the numerator of the t statistic and others influence the size of estimated standard error in the denominator.
Draw the pmf of the Poisson distribution that results when the parameter α is equal to the following:
Does this data provide evidence at the .05 significance level that there is a difference in the proportion of humorous ads in British versus American trade magazines? Please show work.
We can assign probabilities to values of using the normal density curve with mean 0.30 and standard deviation 0.023. Use this density curve to find the probabilities of the following events.
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