A consumer organization estimates that over a 1-year period 18 % of cars will need to...
A consumer organization estimates that over a 1-year period 18 % of cars will need to be repaired once, 6 % will need repairs twice, and 4 % will require three or more repairs. What is the probability that a car chosen at random will need a) no repairs? b) no more than one repair? c) some repairs?
a) The probability that a car will require no repairs is nothing . (Do not round.)
b) The probability that a car will require no more than one repair is nothing . (Do not round.)
c) The probability that a car will require some repairs is nothing . (Do not round.)
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A consumer organization estimates that over a 1-year period 18
% of cars will need to...
A consumer organization estimates that over a 1-year period 15% of cars will need to be...
A consumer organization estimates that over a 1-year period 15% of cars will need to be repaired once, 6% will need repairs twice, and 2% will require three or more repairs. If you own two cars, what is the probability that a) neither will need repair? b) both will need repair? c) at least one car will need repair?
Pls do all parts. Also try to do fast You are a used car collector. Say,...
Pls do all parts. Also try to do fast
You are a used car collector. Say, you just acquired five cars and each car needs to be repaired after 2 years with a probability of 1/10, independently a) What is the probability no cars need repair in the first two years? b) What is the probability exactly one needs repair in the first two years? c) Wh at is the probability one or more car needs repair in the first...
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A consumer organization inspecting new cars found that many had appearance defects (dents, scratches, paint chips,...
A consumer organization inspecting new cars found that many had appearance defects (dents, scratches, paint chips, etc.). While none had more than three of thesedefects, 8% had three, 17% had two, and 27% had one defect. Find the expected number of appearance defects in a new car and the standard deviation. Compute the expected value of the number of appearance defects. E(appearance defects)equals=.85 (Round to two decimal places as needed.) Compute the standard deviation of the number of appearance defects....
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Ed's Tires and Brakes has two locations, one on the northwest side of town and one...
Ed's Tires and Brakes has two locations, one on the northwest side of town and one on the southeast side of town. At both locations are performed routine tire repairs and rotations, as well as expensive brake repairs. This past week, 80% of the cars serviced at Ed's were serviced at the northwest location, while 20% of the cars were serviced at the southeast location. (No car was serviced at both locations.) Brake repairs were more typical at the northwest...
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Pls do all parts. Also try to do fast
You are a used car collector. Say, you just acquired five cars and each car needs to be repaired after 2 years with a probability of 1/10, independently a) What is the probability no cars need repair in the first two years? b) What is the probability exactly one needs repair in the first two years? c) Wh at is the probability one or more car needs repair in the first...
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Suppose that the speed at which cars go on the freeway is normally distributed with mean 73 mph and standard deviation 8 miles per hour. Let X be the speed for a randomly selected car. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-N b. If one car is randomly chosen, find the probability that it is traveling more than 72 mph. c. If one of the cars is randomly chosen, find...
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