FREE Trial
Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

1. The age distribution for a sample of employees in SP Company is shown in table below: Age Number of workers 21-25 10 26-30 35

image text in transcribed
1. The age distribution for a sample of employees in SP Company is shown in table below: Age Number of workers 21-25 10 26-30 35 31-35 16 36-40 14 41-45 13 46-50 10 51-55 3 Calculate variance and standard deviation. (10 M) 2. A random variable X has a probability distribution defined as shown . X -2 -1 0 2 P(x) 0.3 0.1 0.15 0.4 0.05 a. Find E(X) (4M) b. Calculate VAR(X) (6M)

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

A First Course In Differential Equations

A First Course In Differential Equations

Authors: Kumari Vandana

1st Edition

9353147123, 9789353147129

More Books

Students also viewed these Mathematics questions

Question

★★★★★
Round Soft produces and markets an accounting system for small retail business. The system contains all the usual modules, such as those for accounts receivables, payables, inventory, payroll,...

Answered: 1 week ago

Question

★★★★★
Some loudspeaker horns for outdoor concerts (at which the entire audience is seated on the ground) are wider vertically than horizontally. Use diffraction ideas to explain why this is more efficient...

Answered: 1 week ago

Question

★★★★★
Suppose you have been notified that your score of 610 on the Verbal Graduate Record Examination placed you at the 60th percentile in the distribution of scores. Where does your score of 610 stand in...

Answered: 1 week ago

Question

★★★★★
Tobin Supplies Company expects sales next year to be $500,000. Inventory and accounts receivable will increase $90,000 to accommodate this sales level. The company has a steady profit margin of 12...

Answered: 1 week ago

Question

★★★★★
QUESTION: 3 Marty resigned from his salaried job to go into business to operate a coffee shop. On 1 July 2018 Marty borrowed $800,000 from a bank at an interest rate of 8% per annum. The loan is...

Answered: 1 week ago

Question

★★★★★
Bolby and Slim are 2 brothers. Bolby purchased, for a $100 price, a $100 face value bond that pays interest annually at 10%. The principal is due and payable at the end of 5 years. Slim purchased,...

Answered: 1 week ago

Question

★★★★★
5. Sharon plans to contribute $400 to an RRSP every quarter for the next 28 years. During this time, the 3. Consider the sketch below and fill in the blanks: (5 marks) RRSP is expected to earn 9.8%...

Answered: 1 week ago

Question

★★★★★
5. Philosophers and scientists alike would argue that humans have: Only hedonic goals and purposes Only eudaimonic goals and purposes Neither hedonic nor eudaimonic goals and purposes A mixture of...

Answered: 1 week ago

Question

★★★★★
Mike was the policy owner and life insured of a 20-year term life insurance policy, with a $500,000 face value, on which he had named his spouse, Rachel, as the beneficiary. Unfortunately, Mike was...

Answered: 1 week ago

Question

★★★★★
sheridan co issued 700,000 of 5-year,6% bonds at 96 on Jan 1 2027. the bonds pay interest annually. compute the total cost of borrowing for these bonds compute the total cost of borrowing for these...

Answered: 1 week ago

Question

★★★★★
Endor Company begins the year with $180,000 of goods in inventory. At year-end, the amount in inventory has increased to $197,000. Cost of goods sold for the year is $1,300,000. Compute Endor's...

Answered: 1 week ago

Question

★★★★★
Distinguish between recruitment sources and recruitment methods.

Answered: 1 week ago

Question

★★★★★
How has social media emerged as an important force in recruiting?

Answered: 1 week ago

Question

★★★★★
5.5 Summarize external recruitment methods.

Answered: 1 week ago

Previous Question Next Question