Probability that a random variable has a value
What is the probability that a random variable has a value between 1.75 and 7.35 if that random variable has a uniform distribution and varies from 0 to 8.
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The power failures of experienced by the Columbia Power Company conform to a Poisson distribution with a mean of u = 0.18 failures per day. What is the probability that their customers will get two or more power failures in one day?
The Business School Club contains 25 members. Members must be either a Finance Major, or an Accounting Major. There are 16 Accounting Majors, and 14 Finance Majors. How many members are dual majors?
A multiple choice test consists of 60 questions. Each question has four possible answers, and each question has one correct answer. If all answers are random guesses, find the probability of getting at least 30% of the questions correct.
Men have hip breadths that are normally distributed with a mean of 14.4 in. and a standard deviation of 1.0 in. Find the hip breadth for men that is a the 99th percentile.
The diameters of pencils produced by a certain machine are normally distributed with a mean of 0.30 inches amd a standard deviation of 0.01 inches. What is the probability that the diameter of a randomly selected pencil will be less than 0.28 inch
A poll of 1200 randomly selected community college students in the U.S. was conducted and found that 58% favor decriminalizing all drug use that is currently illegal. Would confidence in the results increase if the sample size were 3600 instead o
When n =20 and p= 0.1, I can approximate the distribution of the sample proportion with a normal distribution with mean 2 and standard deviation 1.34. True or False?
A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If 49 different applicants are randomly selected find the probability that their mean is above 215.
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Which of the following are examples of a change of condition? A. Unusually aggressive behavior B. 5-pound weight gain or loss in 3 days
Kiara took her 12-month-old daughter to a birthday party. While at the party Kiara seemed to be really in sync with her daughter.
Marjorie took her 15-month-old son to Chuck E Cheese restaurant. Marjorie's son seemed to be overwhlemed by all the lights and noise in the restaurant
A woman with severe dementia has difficulty recalling specific words on vocabulary test difficulty producing words difficulty with recall of words
Explain why you think this intervention is enough to address the problem's causes with rationale.
What is Confirmation Bias? Group of answer choices When you ignore new information when it doesn't support or agree with your existing beliefs