Determining mean swipe rate

Assignment Help Basic Statistics

Reference no: EM1323180

Q1) In Rivendell Memorial Hospital time to complete surgery in routine tubal ligation without complications is normally distributed with mean of 30 minutes and standard deviation of 8 minutes. Next procedure has been scheduled in same operating room 60 minutes after starting of a tubal ligation procedure.

Required:

Allowing 20 minutes to vacate and make operating room between procedures, determine the probability that next procedure will have to be delayed?

Q2) Chlorine concentration in municipal water supply is uniformly distributed random variable which ranges between 0.74 ppm and 0.98 ppm.

Requirement 1:

Find out the following:

a) Mean chlorine concentration

b) Standard deviation

c) Probability that chlorine concentration will exceed 0.80 ppm

d) Probability that chlorine concentration will be under 0.85 ppm

e) Probability that chlorine concentration will be between 0.80 ppm and 0.90 ppm

3) Passengers using New York's MetroCard system should sdsfwipe the card at rate between 10 and 40 inches per second, or else card should be re-swiped through card reader. Research illustrates that actual swipe rates by subway riders are uniformly distributed between 5 and 50 inches per second.

Requirement 1:

Find out the following:

a) Mean swipe rate

b) Standard deviation of the swipe rate

c) 1^st quartile

d) 3^rd quartile

Requirement2:

What percentage of subway riders should re swipe card as they were outside acceptable range?

Reference no: EM1323180

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