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You live on Keswick Ridge and commute to campus. Suppose that you have the option of crossing the river at the dam, the Westmoreland St Bridge, or the Princess Margaret Bridge. You tend to take the dam about half the time, and otherwise are equally likely to take one of the other two bridges. Your probability of lateness is 0.16, 0.10, and 0.19 for the three bridges respectively.
(a) If you choose a bridge at random, what is the probability that you will be late?
(b) If you drive to the city and choose one of the two city bridges (PM or WS) at random, what is the probability that you will be late?
(c) If you are late, what is the probability that you chose to cross at the dam?
Of 144 adults selected randomly from one town, 31 of them smoke. Construct a 99% confidence interval for the percentage of all adults in the town who smoke.
peas are generated from parents having the greenyellow pair of genes so there is a .75 probability that an individual
weakly earnings on a certain import venture are approximately normally distributed with a known mean of 219 and unknown
Would this be a T-value distribution? Can you take me through the steps to determine upper and lower limits of a 95% confidence interval?
suppose a study reports that the average price for a kilogram of grapes is 3.16. you believe that the price is higher
james teaches a class of 300 students and only 6 have done their homework assignment which is due today. he calls on a
consider the probability function. give your answers correct to two decimal places. rx 0.2 for x 0 1 2 3 4 a find the
If the sides of a square are lengthened bt 5cm, the area becomes 169cm2. Find the length of a side of the original square.
A company wanted to know if a special gas additive truly (and significantly) affected the gas mileage in their company vehicles. Use the data below to determine whether or not the additive significantly affected gas mileage.
He completed 1st seven times, 2nd three times, and one time each in 6th, 9th,12th, 15th, 22nd and 37t. Determine his median finishing position for the year.
The Statistical Abstract of the United States published by the US Census Bureau reports that the average annual consumption of fresh fruit per person is 99.9 pounds.
Based on the scatter diagram, does there appear to be any relationship between the number of assemblers and production? Explain.
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