Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

A researcher determines that students study an average of 60 15 (M SD) minutes per week. Assuming these data are normally distributed, what is the z score for students studying 45 minutes per week?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M93127242
  • Price:- $10

Priced at Now at $10, Verified Solution

Have any Question?


Related Questions in Statistics and Probability

A logging contractor has three feller bunchers on any given

A logging contractor has three feller bunchers. On any given day, each machine has a 90% chance of working. The contractor is considering buying a fourth feller buncher to offset the possibility of none of the machines o ...

Thirty percent of the managers in a certain company have

Thirty percent of the managers in a certain company have MBA degrees as well as professional training. Eighty percent of all managers in the firm have professional training. If a manager is randomly chosen and found to h ...

Researchers randomly assigned 25 beginning students of

Researchers randomly assigned 25 beginning students of Russian to begin speaking practice immediately and another 25 to delay speaking for 4 weeks. At the end of the semester both groups took a standard test of comprehen ...

The monthly utility bills in a city are normally

The monthly utility bills in a city are normally distributed with a mean of $121 and a standard deviation of $23. Find the probability that a randomly selected utility bill is between $115 and $130. Probability of 0.07 a ...

Suppose we can only sample from uniform distribution 01

Suppose we can only sample from Uniform distribution (0,1) with k=3. Design an algorithm to simulate chi-square distribution with 2k freedom via general transformation method.

A college offers 2 introductory courses in history 3 in

A college offers 2 introductory courses in history, 3 in science, 4 in philosophy, 4 in mathematics, and 5 in English. If a freshman takes one course in each area during her first semester, how many course selections are ...

The shareholders of a company need to elect six directors

The shareholders of a company need to elect six directors and there are 150,000 shares outstanding. 1). What is the minimum number of shares they need to own to make sure that they can elect at least one director if the ...

On the below question how did they decided the two

On the below question, how did they decided the two probabilities of guessing the correct and wrong answer on a question? Where did the 0.25 and 0.75 come from? The probability of achieving exactly  k  successes in  n  t ...

A clothing quality director determines the accuracy of nfl

A clothing quality director determines the accuracy of NFL Logos on t-shirts. 9% of the shirts made that day are defective. The shirts are sold in packages of 10. Find the probability that in one randomly selected packag ...

How do you calculate true population proportion if your

How Do you calculate true population proportion if your defective sample is too small? For example, if you have 50 and defect is 4. Please look below for more details.

  • 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