Mathematics, 18.02.2020 03:00 tahiratnoel20
An automobile service facility specializing in engine tune-ups knows that 50% of all tune-ups are done on four-cylinder automobiles, 30% on six-cylinder automobiles, and 20% on eight-cylinder automobiles. Let X = the number of cylinders on the next car to be tuned.
a. What is the pmf of X?
b. What is the probability that the next car tuned has at least six cylinders?
c. What is the probability that the next car tuned has more than six cylinders?
Answers: 3
Mathematics, 21.06.2019 21:00
Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.
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Mathematics, 21.06.2019 21:00
Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.
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Mathematics, 21.06.2019 21:00
Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)
Answers: 2
Mathematics, 21.06.2019 21:30
Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?
Answers: 2
An automobile service facility specializing in engine tune-ups knows that 50% of all tune-ups are do...
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