Q 2/ In a certain city, the number of power outages per month is a random variable, having a distribution with n =22 and p = 0.7. If this distribution can be approximated closely with normal distribution, what is the probability that there will be 11 or more outages in any one month?

Q: A racing car consumes a mean of 107 gallons of gas per race with the variance of 49. If 46 racing…

A: The following information has been provided: The population mean is μ=107. The sample variance is…

Q: ppose the number of births at a local hospital follows a Poisson distribution with a mean of 6…

A: given data  λ = 6 births per week cx = no. of births in a week P(x=X) =e-λ(λ)xx!

Q: A study showed that the average number of hours children in the US watch television each day is 4…

A:

Q: Suppose the number of births at a local hospital follows a Poisson distribution with a mean of 6…

A: From the provided information, The number of births at a local hospital follows a Poisson…

Q: Assume that the number of calories in a McDonald's Egg McMuffin is a normally distributed random…

A:

Q: Yoonie is a personnel manager in a large corporation. Each month she must review 15 of the…

A:

Q: A manager of an apartment store reports that the time of a customer on the second floor must wait…

A: A manager of an apartment store reports that the time of a customer on the second floor must wait…

Q: The annual salary for an emergency room nurse is a normally distributed random variable with a mean…

A: Mean()=80000standard deviation()=12000sample size(n)=36

Q: About ​80% of all female heart transplant patients will survive for at least 3 years. Seventy female…

A: Given information Probability that female heart transplant patients will survive for at least 3…

Q: The number of typing errors made by a typist has a Poisson distribution with an average of three and…

A: It is given that, the number of typing errors made by a typist has a Poisson distribution with an…

Q: We have seen that nonindependence of alleles (possibly caused by differential mortality of…

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Q: 3 A play is enjoying a long run at a theatre. It is found that the play time may be modelled as a…

A: We have given that,  Play time be modelled are normally distributed with mean (Mu) = 130 minutes…

Q: Suppose that the distribution of the lifetime of a car battery produced by a certain car company is…

A: The mean of the normal distribution is  hours. The variance of standard deviation is The number of…

Q: The taxi and takeoff time for commercial jets is a random variable x with a mean of 9 minutes and a…

A:

Q: The lifespan of EEL light bulbs is a random variable obeying a normal law. Lifetime average of these…

A: The lifespan of EEL light bulbs is a random variable obeying a normal law. The lifetimeaverage of…

Q: The yield in pounds from a day's production is normally distributed with a mean of 1500 pounds and…

A: The following information has been given: Let X be a normally distributed random variable that…