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Problem 1: Which of the following numbers could be the probability of an event? 1.5, , 0, Problem 2: A Deck of Cards: A standard deck of cards contains 52 cards, as shown in the figure below. One card is randomly selected from the deck. (a) Compute the probability of randomly selecting a two or three from a deck of cards. (b) Compute the probability of randomly selecting a two or three or four from a deck of cards. (c) Compute the probability of randomly selecting a two or club from a deck of cards. Problem 3: Life Expectancy: The probability that a randomly selected 40-year-old female will live to be 41 years old is 0.99855 according to the National Vital Statistics Report, Vol. 56, No. 9.
(a) What is the probability that two randomly selected 40-year-old females will live to be 41 years old? (b) What is the probability that ?ve randomly selected 40-year-old females will live to be 41 years old? (c) What is the probability that at least one of ?ve randomly selected 40-year-old females will not live to be 41 years old? Would it be unusual if at least one of ?ve randomly selected 40-year-old females did not live to be 41 years old? Problem 4: Find the value of the factorial, 7! Problem 5: Find the value of the permutation 7P2 Problem 6: Find the value of the combination 9C2 Problem 7: Clothing Options: A woman has ?ve blouses and three skirts. Assuming that they all match, how many different out?ts can she wear?
Given a normally distributed population, a sampling distribution is summarized by mean=50, n=100 and standard deviation=15. what is the probability that a simple random sample will reveal a sample mean
chicagos treadway tires dealer must order tires from its national warehouse. it costs 10000 to place an order and 400
in a binomial experiment the probability of success is 0.06. what is the probability of at most two successes in seven
a random sample of 44 unlv students is taken. the average age in the sample was 20.2 years with a standard deviation of
The national average SAT score is 1019. If we assume a normal distribution with σ = 90, what is the 90th percentile score? What is the probability that a randomly selected score exceeds 1200?
Developing the histogram and pie chart for the sample data.
suppose that a random sample of size 25 is to be selected from a population with mean 41 and standard deviation 9. what
Solve using the quadratic formula: Radicands must be enclosed within
Two airlines fly to Memphis. according to airport data for the past year, wings airlines planes arrived on time 330 times and were late 60 times. Global airlines planes arrived on time 430 times and were late 50 times.
Assume adults have IQ scores that are normally distributed with a mean of 105 and a standard dviation 20. Find the probability that a rondomly selected adult has an IQ betwwen 93 and 117.
Refer to Figure 8.15, which shows the sensitivity report for Problem 7.
How many independent network servers would be needed if each has 99 percent reliability? (b) If each has 90 percent reliability?
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