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1. The manager of an express oil change service has determined that the number of customer who arrive in a one hour time interval (x) can be modeled using a Poisson model with mean =2.5 customer per. What is the standard deviation of the number of customers that arrive within a 2 hour time interval.
2. The manager of an express oil change service has determined that the number of customer who arrive in a one hour time interval (x) can be modeled using a poisson model with mean =2.5 customer per.
If the number of customers who arrive over a 2 hour interval is 2 or fewer, the manager will close down one of the service bays & send the crew home. what is the probability that a 2 hour time interval will have 2 or fewer customer arriving for service
3. The manager of an express oil change service has determined that the number of customer who arrive in a one hour time interval (x) can be modeled using a poisson model with mean =2.5 customer per hour.
If currently the service is open until 9pm for the coming Friday night, the manager has decided that i or fewer customer arrive in each of the 3 one hour time interval 6-7:00, 7-8:00 & 8-9:00pm, he will change the closing time to 6pm what is the probaility that there will be i or fewer customers arriving each of the 3 one-hour time interval this friday night? ( recall the number ofarrival in any one-hour is independent of the number of arrival in any other one-hour interval).
Confirm that these statements are accurate by finding the geometric mean rate of increase.
you are invited to play the following game. you may repeatedly roll a fair six-sided die unless you roll a one at which
In-Home stability ratings of children and teenagers age 4 to 14 years who have been diagnosed with ADHD and who are being treated with neurotherapy differs from in-home stability ratings of children and teenagers age 4 to 14 years who have been di..
Identify the population and the sample. A survey of 1015 U.S. adults found that 32% have had to put off medical care for themselves or their family in the past year due to the cost.
A survey of middle-aged men reveals that 28% of them are balding at the crown of their heads. Moreover, it is known that 18% of all middle-aged men who have this balding pattern will suffer a heart attack in the next 10 years.
Using the probability distribution table, what is the value of P(X = 2 or X = 0)?
Compute the Cumulative incidence of stroke in the study and compute the Cumulative incidence of stroke in patients classified as hypertensive at baseline
Give an example of a null and alternative hypotheses. This can be a personal item or something at work. Additionally, identify the Type I and Type II Errors that could occur with your decision-making process.
If 20 students in the class said they frequently experience stress in their daily lives, would you be surprised? Explain and use statistics to support your answer
The planned shortage inventory model recommends order quantity Q* = 70 and shortage level S = 18. Which of the following statement is incorrect?
the fda tests the tobaccos in two different types of cigars for nicotine content in mg and obtained following results.
A beverage company is trying to ?nd out the distribution of the breaking strength of their glass bottles. Fifty bottles are selected at random and tested for breaking strength, with the following results (in pounds per square inch):
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