Find the lowest acceptable score within each established

Assignment Help Basic Statistics
Reference no: EM13241721

The grades on the midterm given in a large managerial stats class are normally distibuted with mean 75 and standard deviation 9. Instructors of this class wants to assign an A to top 10%, B to the next 10%, C to next 10%, D to next 10%, and an F to all scores below the 60th percentile. Find the lowest acceptable score within each established range. For example, the lowest acceptable score for an A is the score at the 90th percentile.

Reference no: EM13241721

Questions Cloud

On what method is the excel based calculator that you have : On what method is the Excel based calculator that you have provided based on (Exact, Score, Wald, Adjusted Wald). Also, what method is the calculation in Minitab based on?
Students given exam with 300 multiple questions distribution : Students given exam with 300 multiple questions, distribution was normal and mean 195 with a standard deviation of 30. What were the scores of the students who are within one standard deviation of the mean?
Compute the amount of solute in g needed to prepare solution : Calculate the amount of solute in g needed to prepare 453.1 mL of a 5.22 %(m/v) LiNO3 solution.
What price and quantity combination will monopolist choose : The local government has given a monopoly franchise to a cable company. The graph also shows the marginal revenue (MR) curve, the marginal cost (MC) curve, and the average total cost (ATC) curve for cable TV services.
Find the lowest acceptable score within each established : The grades on the midterm given in a large managerial stats class are normally distibuted with mean 75 and standard deviation 9. Instructors of this class wants to assign an A to top
Explain how many lone pairs are one the oxygen atom : write Lewis structure for Oxygen difluoride, OF2. How many lone pairs are one the oxygen atom
How could we rescreen for defective units from a population : How could we rescreen for defective units from a population of 900 units and establish a 95% confidence that the whole 900 units are acceptable.? How many would we need to check out of the 900?
A zinc and sulfur react to form zinc sulfide by the equation : Zinc and sulfur react to form zinc sulfide by the equation shown below. How many grams of ZnS can be formed when 12.0 g of Zn reacts with 6.50 g of S? (Atomic mass: Zn = 65.38, S = 32.06).
The probability that luis will pass his statistics test is 0 : The probability that Luis will pass his statistics test is 0.44. What is the probability that he will fail his statistics test?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Mathematical induction-pascal triangle

Please help me with the attached pre-calculus questions. Use mathematical induction to prove that 6 is a factor of n (n + 1)(n + 2).

  Calculating waiting time and average queue length

Simulate both one-and two-teller systems, calculate waiting time, average queue length, and percentage utilization for each system.

  Preparting chart using z-value

In addition, record the values for the UCL, center line, and LCL. Also, record any points that are out of control. Use a z-value of three.

  Height of adult caucasian women

Assume that the height of adult caucasian women have a mean of 63.6 inches and a standard deviation of 2.5 inches. If 100 women are randomly selected find the probability that they have a mean height greater that 63.0 inches.

  One-tailed test of null hypothesis

Using data on average school grade for first use. Use the t test to conduct a one-tailed test of the null hypothesis, assuming that the average grade is higher for males than for females

  Results in a critical-item failure

What is the probability that at least one of the 40 shuttle missions scheduled over the next 5 years results in a critical-item failure?

  Estimating-population mean difference

Make a point estimate of the population mean difference in endurance after taking the herbs. Make a 95% confidence interval estimate of the population mean difference.

  Random sample and normal distribution

Suppose that X1,..,Xn form a random sample from the normal distribution with unknown mean M and unknown standard deviation S, and let m and s denote the MLEs of M and S. for the sample size n=17, find a value of k such that  P(m > M +ks) = 0.95

  Effect of change on mean and median

A discussion of extreme weather reports that: "In most states, hurricanes occur infrequently. Yet, when a hurricane hits, the losses can be catastrophic.

  Anesthetic used in surgery in hiccups

A side effect of a certain anesthetic used in surgery is the hiccups, which occurs in about 10 percent of the cases. If three patients are scheduled for surgery today and are to be administered this anesthetic, compute the probability that:

  Describing statistical statements

Identify the population and the sample: A survey of 787 small-business managers found that 72% are optimistic about the future of their company.

  Find tree number of the second observation in sample

The 587th of the 731 trees in the preserve was selected as the first observation in the sample. What is the tree number of the second observation in the sample?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd