Answers by Doug Knesek
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Answers by Doug Knesek

Answers by Doug Knesek
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A fair coin is tossed three times. Let X be the number of heads in thetosses minus the number of tails. Find the probability distribution of X.
answered Aug 12, 2021
3 votes
59.0k views
The Speedmaster IV automobile gets an average of 22.0 miles per gallon in the city. The standard deviation is 3 miles per gallon. Find the probability that on any given day, the automobile will get less
answered Aug 2, 2021
5 votes
35.5k views
Find the exponential function that satisfies the given conditions: Initial value = 35, increasing at a rate of 10% per year a. f(t) = 35 ⋅ 10t b. f(t) = 35 ⋅ 1.1t c. f(t) = 10 ⋅ 1.1t d. f(t) = 35 ⋅ 0.1t
answered Jul 24, 2021
3 votes
9.9k views
A storage tank is a right-circular cylinder 20 ft long and 8 ft in diameter with its axis horizontal. If 3 the tank is half full of olive oil weighing 57 lb>ft , find the work done in emptying it through
answered May 26, 2021
3 votes
106k views
Explain why the Mississippi River is important to both the Midwest region and the southern region of the United States
answered Jan 27, 2021
2 votes
32.8k views
5/6 divided by 2/3 (please show work!)
answered Jan 17, 2021
3 votes
113k views
The Gorilla eats 39 pounds of food each day. Gracie eats 165 pounds of food each day. If you round the 39-40 and 165- 160. About how much more does Gracie eat than the gorilla each day
answered Jan 6, 2021
1 vote
126k views
Please help me with this math question
answered Sep 28, 2019
3 votes
92.7k views
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