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Weekly postage expenses for your company have a mean of $312 and astandard deviation of $58. Your company has allowed $400 for postage per week inits budget.
(a) What is the approximate probability that the average weekly postage expensefor the past 52 weeks will exceed the budgeted amount of $400?
(b) What information would you need to determine the probability that postage forone particular week will exceed $400? Why wasn't this information required for(a)?
The availability of venture capital provided by big boost in funds available to companies recent years. According to Venture Economics, 2,000 venture capital disbursements were made in 1999.
What percentage of normal and healthly adults would be considered to have a fever? Does this percentage suggest that a cutoff of 100.6 F is approproate?
question as a sample size approaches infinity how does the students t distribution compare to the normal z
a trucking firm delivers appliances for a large retail operation. the packages or crates have a mean weight of 294 lb.
a crazy and lazy professor has developed a new grading system to make his life easier. he gives 10 a grades 80 b grades
the population of a certain city is now 74000 people. if the population doubles every 25 years what will the
What are the assumptions of regression analysis and how do you evaluate them?
1. Let P be a law on a separable normed vector space (S, · ), x ∈ S, and Px the translate of P by x , so that Px ( A) := P( A - x ) for all Borel sets A, where A - x := {a - x : a ∈ A}. Show that W ( P, Px ) = x.
probability of 0.31 that it is dominant. There is also a probability of 0.22 that a gene is type B and it is dominant. What is the probability that a gene is of type A?
Find out the upper and lower bounds on average life expectancy of the Canadian women such that at least 90% of all population is included.
An exterminator claims that no more than 10% of the homes he treats have termite problems within 1 year after treatment. In a sample of 100 homes, local officials find that 14 had termites less than 1 year after being treated. At the 0.05 level of..
an airport official wants to prove that the proportion of delayed flights for airline a denoted as p1 is less than the
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