The ages of the employees of a company are uniformly distributed between 25 and 64.
a. What is the probability that an employee picked at random will be between 27 and 35?
b. What is the 90th percentile of the ages in the company?
The ages of the employees of a company are uniformly distributed between 25 and 64. a....
5. Suppose that annual precipitation is uniformly distributed, and ranges between 25 inches and 72 inches. (a) What is the probability that a year will have between 29 and 44 inches of precipitation? (2) (b) What is the 30th percentile of this distribution? (2) 6. Wheat yields per acre are normally distributed, with mean 46 bushels, and standard deviation 10 bushels. (a) What is the probability that next year’s yield is between 35 and 50 bushels? (2) (b) What is...
The age of children in kindergarten on the first day of school is uniformly distributed between 4.9 and 5.71 years old. A first time kindergarten child is selected at random. Round answers to 4 decimal places if possible. a. The mean of this distribution is b. The standard deviation is c. The probability that the the child will be older than 5 years old? d. The probability that the child will be between 5.1 and 5.3 years old is e....
A continuous random variable is uniformly distributed between 50 and 130. a. What is the probability a randomly selected value will be greater than 102? b. What is the probability a randomly selected value will be less than 78? c. What is the probability a randomly selected value will be between 78 and 102?
4. United Airline flight arrivals is uniformly distributed between 10 minutes and 25 minutes. a. Estimate the Probability that the flight arrivals is more than 15 minutes. b. Estimate the Probability that the flight arrivals is between 12 and 18 minutes.
2 The price of a stock is uniformly distributed between $35 and $45. (8) a. What is the probability that the stock price will be more than $427 b. What is the probability that the stock price will be less than or equal to $372 c. What is the probability that the stock price will be between $39 and 5437 d. Determine the expected price of the stock
The ages of commercial aircraft are normally distributed with a mean of 13.5 years and a standard deviation of 6.9436 years. What percentage of individual aircraft have ages between 9 years and 15 years? Assume that a random sample of 64 aircraft is selected and the mean age of the sample is computed. What percentage of sample means have ages between 9 years and 15 years?
The amount of time it takes for a student to complete a statistics quiz is uniformly distributed (or, given by a random variable that is uniformly distributed) between 25 and 59 minutes. One student is selected at random. Find the probability of the following events. A. The student requires more than 54 minutes to complete the quiz. Probability = B. The student completes the quiz in a time between 30 and 35 minutes. Probability = C. The student completes the...
A continuous random variable is uniformly distributed between 0 and 96. What is the probability a random draw from this distribution will be on the closed interval between 39 and 75? Enter your answer as a decimal to 3 decimal places.
(1 point) Suppose that random variable X is uniformly distributed between 5 and 25. Draw a graph of the density function, and then use it to help find the following probabilities: A. P(X > 25) = B. P(X < 15.5) = C. P(7 < X < 20) = D. P(13 < X < 28) =
5. S distribution. uppose that exam grades are Uniformly distributed between 60 a nd 100. Assume a continuous a) what is the probability that a student selected at random made between 70 and 90? b) What is the probability that a student selected at random made between a 40 and 70? c) What is the probability that a student selected at random made above a 70? d) What is the probability that a student selected at random made exactly an...