Question: Let X be a random variable with the following probability distribution: Find the standard deviation ofX. 3 a: 5 fix) 0.3 0.2 0.5

Let X be a random variable with the following probability distribution: Find the standard deviation ofX.3 a: 5 fix) 0.3 0.2 0.5

3 a: 5 fix) 0.3 0.2 0.5

Step by Step Solution

★★★★★

3.45 Rating (177 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

203 3 02505 2... View full answer

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

Document Format (1 attachment)

Word file Icon

18-M-S-E (33).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Q:

Let X be a random variable with the following probability distribution:

Q:

Let X be a random variable with probability density function (a) What is the value of c? (b) What is the cumulative distribution function of X? f(x) = otherwise 0

Q:

Let X be a random variable with probability density function (a) Obtain the lower bound given by Chebyshevs inequality for P{0.2 (b) Compute the exact probability, P{0.2 f(x630 (1-x), 0

Q:

3. Chase ltd is evaluating a new technology for its reproduction equipment. The technology will have a three-year life and would cost shl800, 000. Its impact on the first year, management estimates...

Q:

statsssss ANSWER 3 AND 4 ONLY rature, and par ACTIVITY 1 dings corr mical r 1. Let X be a random variable with the following probability distribution. onverte com 13 4 sub X 2 0.1 0.4 0.3 0.2 P(X=X )...

Q:

Q1. BIG Corporation produces just about everything but is currently interested in the lifetimes of its batteries. To investigate its new line of Ultra batteries, BIG randomly selects 1000 Ultra...

Q:

The following attached questions are related to the topic Distribution of Random Variable. I need the clarity in steps as i am getting the wrong answer while solving. So the exercise questions are...

Q:

please show proper working for everything 11.1. 13.2. 0.3. 12.4. (2.5. Construct the probability distribution based on the following frequency distribution: OUTCOMES: 102 105 103 111 114 117...

Q:

11. Let X" be a random variable with the following probability distribution. Value x of X P(X=x) -2 0.10 0.05 0.45 0.25 0.15 Complete the following (a) Find the expectation E (X) of X. E(x) = 10 b)...

Q:

question 11 Let X be a random variable with the following probability distribution. Value x of X P(X=x) 20 0.35 30 0.30 40 0.10 50 0.15 60 0.05 70 0.05 (a) Find the expectation E (X) of X. X E (X) =...

Q:

A machine costs 16,000 and has a 5-year life. The required rate of return is 10%. By how much can taxable profit be reduced through the writing-down allowance (WDA) in the third year, if the annual...

Q:

Gangnam Ltd acquired a shopping mall on 1 January 2017 for $9,000,000 and included it as Property, Plant and Equipment under IAS 16. The shopping mall has an estimated useful life of 40 years,...

Q:

What is a marketable permit and what incentive does it provide for a firm to take external costs into account?

Q:

Merchandise is sold on account to a customer for $56,500, terms FOB shipping point, 2/10, n/30. The seller paid the freight of $2,100. Determine the following: (a) Amount of the sale, (b) Amount...

Q:

Journalize the entries for the following transactions: a. Sold merchandise for cash, $116,300. The cost of the merchandise sold was $72,000. b. Sold merchandise on account, $755,000. The cost of the...

Q:

Calculating the Annual Percentage Rate. If Dave paid the $500 in 12 equal monthly payments, what was the APR?

Q:

Journalize entries for the following related transactions of Manville Heating & Air Company: a. Purchased $90,000 of merchandise from Wright Co. on account, terms 2/10, n/30. b. Paid the amount owed...

Q:

Sidney took a $200 cash advance by using cheques linked to her credit card account. The bank charges a 2-percent cash advance fee on the amount borrowed and offers no grace period on cash advances....

Q:

Are all sign transitions possible? Explain with a sketch why the transitions ++ + and + do not occur if the function is differentiable.

Q:

A test is conducted in which a coin is flipped 30 times to test whether the coin is unbiased. The null hypothesis is 7 that the coin is fair. The alternative is that the coin is not fair. One of the...

Q:

Suppose you are spinning pennies to test whether you get biased results. When you reject the null hypothesis when it is actually true, that is often called the first kind of error. The second kind of...

Q:

A silver-plating process is used to coat a certain type of serving tray. When the process is in control, the thickness of the silver on the trays will vary randomly following a normal distribution...

Q:

Use the runs test to test, at level 0.01, whether there is a difference in the average operating time for the two calculators of Exercise 16.17 on page 690.

Q:

In an industrial production line, items are inspected periodically for defectives. The following is a sequence of defective items, D, and nondefective items, N, produced by this production line: Use...

Q:

Suppose that the average number of Facebook friends users have is normally.r distributed with a mean of '11'3I and a standard deviation of about 54. Assume forty-eight individuals are randomly...