A bus comes by every 13 minutes. The times from when a person arives at the busstop until the bus arrives follows a Uniform distribution from 0 to 13 minutes. A person arrives at the bus stop at a randomly selected time. Round to 4 decimal places where possible. a. The mean of this distribution is b. The standard deviation is c. The probability that the person will wait more than 7 minutes is

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A: a) Mean= 34 Standard deviation = 15  So, variance= 152= 225 X~N(mean, variance)=N(34,225)…

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A: Given mean= 27845  Standard deviation = 6534  So, variance= 65342=42693156   Answer(a):…

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A: Given that μ=247.2,σ=35,n=34

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A: Solution: It is given that, Population mean, 70 Standard deviation, 5 Given that Cody took his first…

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A: The mean of this distribution is  a midpoint between the ends.  Mean = (4.6 + 0)/2 = 2.3 seconds

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A: Provided information is; Mean(μ) = 8 Standard deviation(σ) =1.2 Let , X be the random variable that…

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Q: A bus comes by every 7 minutes. The times from when a person arives at the busstop until the bus…

A: The mean would be midpoint between the ends. μ = (0 + 7 )/2 = 3.5 minutes

Q: The lengths of pregnancies are normally distributed with a mean of 269 days and a standard deviation…

A: Given: μ=269 and σ=15. a)PX≥308=PX-μσ≥308-μσ=PZ≥308-26915=PZ≥2.6=1-PZ<2.6=1-0.9953=0.0047…

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard…

A: Let "X" be the IQ score of the adults.

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Q: 1C. What amount of time would place a student using the elliptical at the UCF gym in the bottom…

A: It is given that  Mean, μ = 18.9 Standard deviation, σ = 2.15

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A: Let "X" be the weight of steers in a herd.

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A: The question is about normal dist.Given :Popl. mean time (  ) = 45 minPopl. std. deviation of time (…

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A: Given : X~Nμ=66,σ=17

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A: Mean(µ) = 175Standard deviations (σ) = 6X ~ N (µ, σ )= N(175, 5)

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A: given data,normal distribution μ=5σ=3probability that person will wait more than 9 minutes =?

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A: Given, mean= 10.8  Standard deviation= 1 So, variance= 12=1 So, X~N(mean,variance)= N(10.8,1)…

Q: Assume IQ scores for adults are normally distributed with a mean of 100 and a standard deviation of…

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Q: Private nonprofit four-year colleges charge, on average, $27,363 per year in tuition and fees. The…

A: Given information: μ=27363σ=6865 b) The probability that a randomly selected Private nonprofit…

Q: IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one individual…

A: It is given that the IQ scores follow normal distribution with mean 100 and standard deviation 15.…

Q: a. What is the distribution of X? X-NO b. Find the probability that an indoor cat dies when it is…

A: It is given that Mean = 13Standard deviation = 2.6

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Q: d. The probability that the wave will crash onto the beach between 0.2 and 3.3 seconds after the…

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Q: On average, indoor cats live to 12 years old with a standard deviation of 2.4 years. Suppose that…

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Q: Today, the waves are crashing onto the beach every 4.6 seconds. The times from when a person arrives…

A: 75 % of 4.6 seconds = 0.75*4.6 = 3.45 Therefore, 75% of the time a person will wait at least 3.45…

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A: Mean:

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Q: Find the probability that a randomly selected Private nonprofit four-year college will cost less…

A: given   μ  =27.263    , σ  = 6865z = x -μσ

Q: a. The probability that a pregnancy will last 308 days or longer is (Round to four decimal places as…

A: