Question: 6. [3 marks] Calculate - (a) the mean, and [1] (b) the standard deviation [2] f the random variable X, which has the following probability

6. [3 marks] Calculate - (a) the mean, and [1] (b) the standard deviation [2] f the random variable X, which has the following probability distribution: 0 X 1 2 3 P( X=X) 0.35 0.52 0.13

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!

7.1 You are a manager at a perfectly competitive firm like Scotch Plywood Company. The price of a sheet of plywood is $30. The marginal cost of producing plywood has a random element. The following...

Instructions: In this task, you will work with one of the discrete probability distributions. You will calculate the binomial probability distribution, its mean, variance, and standard deviation. You...

Exercise #1 Mention an advantage and disadvantage that you consider when using the binomial probability distribution. (2 points) Exercise #2 The probability distribution of a random variable x is...

ASSIGNMENT 2 Due I'lprrl Thursday, September 15 Total Marks: 41] This assignment covers material in chapters 5-9 of the Unit Notes. R is not required in this as signrnent, but may be used if you...

[3 marks] Suppose the random variable, Y, has the probability distribution, Y 1 2 3 P(Y = y) 0.57 0.27 0.16 (a) Calculate the mean, and [1] (b) the standard deviation

Question 6 (28 marks) The current stock price for Beta Corporation is at $30 per share. Consider the following probability distribution of stock price and dividend for Beta Corporation: Dividend...

This is a required assignment worth 15 points (15-points/1000-points). Assignment must be submitted by the due date. No late assignments are allowed. Please discuss the following topics and provide...

Multiple choice question 1. _________ error is the difference between a sample statistic and a population parameter that occurs due to chance. Group of answer choices a) Sampling b) Standard c)...

FIND THE MEAN, STANDARD DEVIATION AND VARIANCE OF THE FOLLOWING PROBABILITY DISTRIBUTION. 1. P(x) 0 0.2528 1 0.0016 2 0.3251 3 0.3153 0.1052 2. P(x) 0.5 0.3 10 0.2 3. P(x) O 1 3/ 8 3/8 3 1/8 (Ctrl)

Assume the random variable x is normally distributed with mean u = 50 and standard deviation 6 = 7. Find the indicated probability. P(x > 38) P(x > 38) = D (Round to four decimal places as needed.)...

2. Calculate the mean (5 points) 3. Calculate the variance (5 points) 4. Calculate the standard deviation (5 points)act Number: Year-Section: Five balls numbered 0, 2, 4, 6, and 8 are placed in a...

Industry shipments of packaging machinery continue to grow at approximately 6% per year to $4.5 billion in 2012. The packaging machinery industry is being increasingly globalized as industrialization...

Sneider Company is a law firm specializing in corporate and employee issues. It employs 30 specialized employees (5 senior and 25 junior). The average budgeted total compensation per employee for...

Aaron and Samuel are coworkers. They both work for the same supervisor Mr . Platt. Aaron and Samuel are having a conversation in an office. If you were in Aaron s position, what would be the most and...

(a) Sketch the graph of a function that has two local maxima, one local minimum, and no absolute minimum. (b) Sketch the graph of a function that has three local minima, two local maxima, and seven...

Show that the equation 2x 1 sin x = 0 has exactly one real root.

A number a is called a fixed point of a function f if f (a) = a. Prove that if f(x) 1 for all real numbers x, then has f at most one fixed point.

Two parallel wires are 5.00 cm apart and carry currents in opposite directions, as shown in Fig. Find the magnitude and direction of the magnetic field at point P due to two 1.50-mm segments of wire...

A straight wire caries a 10.0-A current (Fig) ABCD is a rectangle with point D the middle of a 1.10-mm segment of the wire and point C in the wire. Find the magnitude and direction of the magnetic...

REVIEW THE INFORMATION ABOUT LEAPFROG HOSPITAL SAFETY GRADES. CHOOSE TWO HOSPITALS TO COMPARE A VERY EFFECTIVE ONE AND ONE WHICH IS NOT EFFECTIVE. WHAT SEPARATES THE TWO? HOW CAN THE A HOSPITAL USE...

The status rule: We tend to have more confidence in information presented by someone who has a relatively high status and rank in society than by someone who hasnt.

The spatial rule: The closer spatial proximity we have to an event, the more importance we will attach to it.

The visual rule: If we observe an event with our own eyes, we will attach more weight to it than if someone else had described it to us.