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As reported by a recentsurvey, thefast-food restaurant with the bestdrive-through time had a mean time spent in thedrive-through of mu equals 63.8μ=63.8 seconds. Assuming drive-through times are normally distributed with σ=2.9 seconds.
What is the probability that a randomly selected car will get through the drive-through in less than 60.1 seconds?
The lengths of a particularanimal's pregnancies are approximately normallydistributed, with mean μ=268 days and standard deviation σ=20 days.
(a) What proportion of pregnancies lasts more than 283 days?
(b) What proportion of pregnancies lasts between 238 and 278 days?
(c) What is the probability that a randomly selected pregnancy lasts no more than 263 days?
(d) A"very preterm" baby is one whose gestation period is less than 223 days. Are very preterm babiesunusual?
Statistical Testing for an Out-of-Control Process, A statistical process analyst is responsible for assuring statistical control. In one process, a machine is supposed to drop 11.4 ounces of mints into a bag.
How long will it take a sample of radioactive substance to decay to half of its original amount if it decays according to the function At)=200e^-0.171t where t is the time in years?
Then, a net cash inflow of $1 million is expected from operations in each of the two years of the exposition. However, the clinic has to pay the organizers of the exposition a fee for the marketing value of the opportunity. This fee, which must be..
Effectiveness of a disease management program
what is the age distribution of promotion-sensitive shoppers? anbspsupermarket super shoppernbspis defined as a shopper
Research a restaurant or hotel anywhere in the United States you have had a personal experience with. You are to then complete a TripAdvisor evaluation for the chosen restaurant or hotel.
A bacteria population starts with 400 bacteria and grows at a rate of r(t) bacteria per hour. How many bacteria n will there be after three hours? (Give your answer to the nearest bacterium.) r(t) = 450.266 e^(1.12567 t)
alis coffee shop makes a blend that is a mixture of two types of coffee. type a coffee costs ali per pound and type b
This question is from Mathematics. Find true or false in the statement.
A long straight fence made of conducting wire mesh separates two fields and stands one meter high. Sometimes, on fine days, there is a vertical electric field over flat open countryside. Well away from the fence the strength of the field is E .
The robot gets out of the well (carrying the wrench) by climbing up the cable with one end of the cable still attached to the robot. How much work does the robot do in climbing to the top of the well?
1) Experiment: Roll three 6-sided dice and flip a coin then record the results a) Describe a suitable sample space for the experiment that contains equally likely outcomes. b) Find the probability that the total sum of the three dice is 6 and the coi..
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