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A hospital receives the pharmaceutical delivery each morning at a time that varies uniformly between 7:15 and 7:30AM.
Ten teaching assistants are available for the grading papers in specific course. The first exam includes four questions, and the professor wishes to choose a different assisant to grade each questio
In the specific state, a major flood takes place once every 5 years on average. If you can suppose floods are independent, and that two floods can't happen simultaneously, determine the following:
According to candy company, packages of certain candy contain 16% orange candies. Determine the approximate probability that the random sample of 300 candies will contain 20% or more orange candies.
Employ the following data on a test given: 76, 56, 55, 88, 87, 69, 90, 89, 73, 85, 99, 26, 80, 79, 76, 97, 94, 96, 90, 91. Find the percentile of 79.
Find the 5-number summary and construct a boxplot for the data: 20, 30, 40, 21, 15, 38, 75, 22, 34, 28, 23, 36, 19 23, 26, 18, 16, 25, 13, 15, 18, 28. Identify any outliers by calculating lower and
Assume you repeatedly play hands of Texas Hold'em, and let X1 = the number of hands you're dealt till you get a pocket pair, and X2 = the number of hands till you're dealt two black cards.
A couple wants four children. Let x represent the number of girls. List the possible values of x and the values of its probability function. Assume male and female children equally likely.
In a specific state, a major flood happens once every 5 years on average. If you can assume foods are independent, and that two floods cannot happen simultaneously, find the following:
A firm has monitored the duration of long-distance telephone calls placed by its employees to help it decide which long-distance package to purchase. The duration of calls was found to be exponentia
A potential customer for an $85,000 fire insurance policy possesses a home in an area that, according to experience, may sustain a total loss in a given year with probability of .001 and a 50% loss
Suggest the case when another five records of patients' visits to a PCP's office are selected at random. Find the probability that at least one of them is referred to a specialist.
Let T be the outcome of a roll with a fair die. Describe the probability distribution of T ; that is, list the outcomes and the corresponding probabilities.
Repeat the previous problem under the assumption that the lifetime mileage of the car is not exponentially distributed but rather is (in thousands of miles) uniformly distributed over (0,40).
Michael figures that the total number of thousands of miles that a employed car can be driven before it would need to be junked is an exponential random variable with parameter 1/20.
The length of life of oil-drilling bits depends upon the types of rock and soil that the drill encounters, but it is estimated that the mean length of life is 75 hours.
A company that manufactures video cameras produces basic model, intermediate model, and deluxe model. Over the past year, 40% of the cameras sold have been the basic model, 35% have been intermediat
Assume you roll 2 dice (1 red and 1 blue). Let Rn be the event that red die comes up upon number n and likewise Bm be the event that the blue die comes up on number m. Compute the following:
Suggest a right isoceles triangle with vertecies (0,0), (1,0), and (0,1). Let (X,0) be a point chosen uniformly on the side of the triangle that lies on the x-axis. Let Y be the distance from that c
One state lottery has 1000 prizes of $1, 100 prizes of $10, 20 prizes of $75, 5 prizes of $275, 2 prizes of $1030, and 1 prize of $2400. Assume that 39000 lottery tickets are issued and sold for $1
Suppose that a bowl contains 3 red chips and 3 blue chips.Two chips are withdrawn and discarded. then a third chip is withdrawn. Given that the third chip is red, what is the probability that the tw
Which distribution would be most appropriate to describe the number of fatalities in Utah per year due to mountain climbing accidents? Binomial, Poisson, or Bernoulli?
The employees of a company were surveyed on questions regarding their educational background and marital status. Of the 600 employees, 400 had college degrees,
Compute the mean and the stadard error of the distribution of mean heights. Compute the z statistic for this group. What percentage of groups of people would we expect to have mean heighs, based on s