Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

On a test whose distribution is approximately normal with a mean of 50 and a standard deviation of 10, the results for three students were reported as follows:

Student Opie has a T-score of 60.
Student Paul has a z-score of -1.00.
Student Quincy has a z-score of +2.00.

Obtain the z-score and T-score for EACH student. Show your calculations. Who did better on the test? How many standard deviation units is each score from the mean? Compare the results of the three students.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M9115489

Have any Question?


Related Questions in Statistics and Probability

Large purple dress inc has some bond outstanding with a 625

Large purple dress INC. HAS SOME BOND OUTSTANDING WITH A 6.25% COUPON AND FOUR YEARS REMAINING UNTIL maturity. Since these bond were issued, interest rates has increased, these bonds are now trading at a 7.375% YTM. Reme ...

The usable lifetime of a particular electronic component is

The usable lifetime of a particular electronic component is known to follow an exponential distribution with a mean of 6.2 years. Let X = the usable lifetime of a randomly selected component. (a) The proportion of these ...

The correlation between the weight of a bodybuilder and the

The correlation between the weight of a bodybuilder and the weight they can lift is 0.70. True or False: The more this bodybuilder weighs, the more amount of weight they can lift

A nutritional scientist wishes to study the effect of

A nutritional scientist wishes to study the effect of storage time on the amount of vitamin C (milligrams) contained in 50 gram freeze dried fruit packs when stored for one, one and a half and 2 years. Five fruit packs w ...

Confidence intervals ci are one of the simpler forms of

Confidence intervals (CI) are one of the simpler forms of inferential statistics. What does the CI represent? And why does our knowledge of the Central Limit Theorem (CLT) and the empirical rule let us understand why the ...

A copier services company is considering adding an advanced

A copier services company is considering adding an advanced model to its product line but is concerned about excessive maintenance calls. During a trial introduction in a test market, maintenance personnel recorded X, th ...

The company financial officer was interested in the average

The company financial officer was interested in the average cost of PCs that had been purchased in the past six months. A random sample of the price of 10 computers was taken with the following results (mean = $3,213): $ ...

1 three-circle red-on-white is one distinctive pattern

1) Three-circle, red-on-white is one distinctive pattern painted on ceramic vessels of the Anasazi period found at an archaeological site. At one excavation, a sample of 165 potsherds indicated that 74 were of the three- ...

A forest type consists of three species of trees25 are

A forest type consists of three species of trees: 25% are Douglas-fir 40% are Hemlock 35% are Western Red Cedar a) What is the probability that a tree selected at random will be a Douglas-fir? b) What is the probability ...

Consider a borrower that is approved for a standard 10-year

Consider a borrower that is approved for a standard 10-year, fully amortizing house mortgage with an original balance of $500,000 and a note rate(annual interest rate) of 4.8% (Standard refers to a fixed rate mortgage co ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As