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Q1) All Seasons plumbing has two service trucks that frequently break down. If probability the first truck is available is= .75, probability the second truck is available is= .50, and probability both are available is= .30, determine the probability which neither truck is available?
Q2) A study by National Park Service revealed which 50 percent of vacationers going to Rocky Mountain region visit Yellowstone Park, 40% visit the Tetons, and 35 percent visit both. Determine the probability of vacationer visiting Yellow stone Park or the Tetons?
3) Merta claims that 74% of its trains are on time.
a) Determine the probability that among the 60 trains, 38 or fewer arrived on time.
b) Determine the probability that among 60 trains, 50 or more arrived on time.
Compute SS, variance, and standard deviation for following population of N = 7.Scores: 8, 1, 4, 3, 5, 3, and 4. The definitional formula works well with these scores. Use the definitional formula to compute SS.
Survey on What do you think is the biggest problem facing education today. One problem with exit polls may be that the wrong "key precincts" were chosen.
Find out the probability
Find the critical F value for the Following,
Find the probability that in a given month:
The alternative hypothesis is true. In this case the consumer advocacy group will have, A consumer advocacy group doubts this claim and tests the hypotheses
The 95% prediction interval for a new patient with a 2-day cholesterol level of 220 is
Can we conclude that mean time for game is less than 3.50 hours? Use.05 significance level.
Plot stem-and-leaf plot and boxplot for Mtotal. Illustrate hand calculation of median location and upper hinge location of boxplot, and determine their corresponding data values.
At.01 significance level, is there difference in mean number of times men and women order take-out dinners in month? Determine the p -value?
Below are one hundred pseudorandom numbers from a uniform pdf. Set up and test the appropriate goodness-of-fit hypothesis. Let α = 0.05.
One of the most important uses of a correlation is its potential use in_________
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