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Five cards are drawn from a standard 52-card playing deck. What is the probability that all 5 cards will be of the same suit?
Find the probability that an earthquake striking this region will Exceed 3.0 on the Richter scale. Fall between 2.0 and 3.0 on the Richter scale.
Ameesha drove car at 80 kmph and missed the flight by 5 min. If she drove at 100 kmph, she would have reached earlier by 10 min before the closing gates. How far is the airport from her house?
Find the standard deviation of Y= the length of life of a ramdom selected new drug. What is the probability that the value of Y falls in the interval µ+ 2σ?
A car averages 27 miles per gallon. If gas costs $4.04 per gallon, which of the following is closest to how much the gas would cost for this car to travel 2,727 typical miles?
Assuming that the numbers you received were generated at random, what are your expected winnings from the lottery? Is it worth 33 cents to enter this lottery?
Assuming that the attendant parks the cars at random, what is the probability that the three expensive sports cars are parked adjacent to one another?
Two cars leave towns 1000 kilometers apart at the same time and travel toward each other. One car's rate is 14 kilometers per hour less than the other's. If they meet in 5 hours, what is the rate of
Find the mean patent life for a new drug. Find the standard deviation of Y= the length of life of a ramdom selected new drug.
The table shows regulation distances between hurdles in women's and men's races. In both the women's and men's events, the race consists of a straight track with 10 equally spaced hurdles.Find the d
A tour operator charges Rs 136 per passenger for 100 passengers with a discount of Rs 4 each for 10 passengers in excess of 100. Determine the number of passengers that will maximize the amount of
A box contains 4 blue marbles, 1 red marbles, and 6 green marbles. Two marbles are selected at random from the box. If X is a random variable that counts the number of blue marbles selected, find th
Only 2% of a large population of 100-ohm gold-band resisters have resistance that exceed 105 ohms. What is the probability that the proportion of resisters with resistance exceeding 105 ohms in a ra
A random sample of n = 36 measurements is selected from a population with mean equal to 5 and standard deviation 3. What is the probability that the sample mean will exceed 6?
A chi-square goodness-of-fit test is to be performed. The relative frequencies for the null hyupothesis and the sample size are given. True or false, the assumptions for using a chi-square goodness-
An insurance sales representative sells policies to 5 men, all of identical age and in good health. According to the actuarial tables, the probability that a man of this particular age will be alive
Balls are drawn (one at a time) from an urn containing 50 balls numbered from 1 to 50. The ball is kept if it is numbered 1, and returned to the urn otherwise. What is the probability that the secon
The frequency distribution of 100 families given below, the number of families corresponding to the expenditure groups. Find the missing frequency.
Aeroplanes arrive at Chicago's O'Hare airport at the average rate of 5.5 per minute. Air traffic controllers can safely handle a maximum of seven planes per minute. What is the probability that airp
A researcher is using a chi-square test to determine whether there are any preferences among four brands of cola. With = .05 and a sample of n = 30, what is the boundary for the critical region for
Assume that any single labrotory test in a 3 test battery obtained from healthy volunteers has a 5% chance of falling outside the normal range. What is the closest probability that a healthy person
Suppose 55% of students are female of which 44% have long hair and 45% of students are male of which 15% have long hair. What is the probability that a student chosen at random will either be female
Suppose your right knee is sore 15% of the time, and your left knee is sore 10% of the time. What is the largest possible percentage of time that at least one of your knees is sore and the smallest
An ice cream store offers 18 different ice cream flavors and 6 different toppings. you are able to order one or two flavors of ice cream and up to three toppings without having to pay extra. How man
Urn 1 has 5 red and 7 blue balls and Urn 2 has 6 red and12 blue balls. Pick 3 uniformly and randomly from each of the 2 Urns. Conditional on the fact that all 6 chosen were the same color, what is t