Question: The random variable X is known to be uniformly distributed between 2 and 12. Compute the standard deviation of X. Select one 9. a. 12

The random variable X is known to be uniformly distributed between 2 and 12. Compute the standard deviation of X. Select one 9. a. 12 O b. 2.887 0 0 8333 O d. 3.464 A health conscious student faithfully wears a device that tracks his steps. Suppose that the distribution of the number of steps he takes is normally distributed with a mean of 10,000 and a standard deviation of 1,500 steps. One day he took 15,000 steps. What was his percentile on that day? Select one: 0 3. 95 5796 0 b. 99.96% B C. 100% d. 95% The time in seconds that it takes a production worker to inspect an item has an exponential distribution with mean 15 seconds. What proportion of inspection times is higher than 5 seconds and less than 10 seconds? Select one 0 4 0.3835 0 6. 02031 0 6 05134

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

The random variable X is known to be uniformly distributed between 2 and 12. Compute E(X), the expected value of the distribution.

\fBelow is a histogram for the number of days that it took Wyche Accounting to perform audits in the last quarter of last year. What is the relative frequency of the 2124 bin? Histogram for Year-End...

BUSA 2000 Statistical Analysis for Business Short Exercise 6 Question 1. The random variable x is known to be uniformly distributed between 1.0 and 1.5. a. Show the graph of the probability density...

1. The random variable x is known to be uniformly distributed between 1.0 and 1.5. a. Show the graph of the probability density function. b. Compute P(x = 1.25). c. Compute P(1.0 ? x ? 1.25). d....

19 .Pinworminfestation, commonly found inchildren, can be treated with a drug that is effective in 82% of cases. Suppose that three children with pinworm infestation are given the drug. Complete...

1 P(a 40 year old survives the year)=0.999375 Life insurance policy $125,000 Annual Premium $175 What is the expected value of this policy to the insurance company? (round final answer to two decimal...

Use the following information to answer the next four exercises: Ellen has music practice three days a week. She practices for all of the three days 85% of the time, two days 8% of the time, one day...

3. A deck of 40 cards consists of 10 cards numbered 1, 10 cards numbered 2, 15 cards numbered 3, and 5 cards numbered 4. A card is randomly selected from the deck. Complete the probability...

Help me answer all of the following activities and please do follow the page numberings thank you in advance Activity 3. Direction: Read and analyze the situation below. Answer the questions as...

ou roll a die and if the die is a 6 you win $100. The y and you decide to play the game until you win the $100. Each time you roll a die you pay $5, and if it is not a 6, you lose your $5. How much...

Helium gas enters an adiabatic nozzle steadily at 500C and 600 kPa with a low velocity, and exits at a pressure of 90 kPa. The highest possible velocity of helium gas at the nozzle exit is (a) 1475...

Red Rock Industries is considering an equipment investment that will cost $ 935,000. Projected net cash inflows over the equipments three- year life are as follows: Year 1: $ 498,000; Year 2: $...

The order of actions that occur when a company is creating a pension plan worksheet are:Select answer from the options below 1 . Subsequent transactions including equal debits and credits . 2 ....

A. Find the corresponding values of each given number in the decimal system. 1. 22123 2. 43145 3. 1101012