Research report by richard h. weindruch

Assignment Help Basic Statistics
Reference no: EM13161492

In a research report by Richard H. Weindruch of the UCLA Medical School, it is claimed that mice with an average life span of 32 months will live to be about 40 months old when 40% of the calories in their food are replaced by vitamins and protein. Is there any reason to believe that /z < 40 if 64 mice that are placed on this diet have an average life of 38 months with a standard deviation of 5.8 months? Use a P-value in your conclusion.

Reference no: EM13161492

Questions Cloud

Manufacturer of car batteries : A manufacturer of car batteries claims that his batteries will last, on average, 3 years with a variance of 1 year. If 5 of these batteries have lifetimes of 1.9, 2.4, 3.0, 3.5, and 4.2 years
Manufacturer of car batteries : A manufacturer of car batteries claims that his batteries will last, on average, 3 years with a variance of 1 year. If 5 of these batteries have lifetimes of 1.9, 2.4, 3.0, 3.5, and 4.2 years
What is the rate law and calculate the value of the rate : what is the rate law? b) calculate the value of the rate constant c)calculate the initial rate for an experiment when both I- and OCl- are initially present at 0.15 mol/L
Which of the following could qualify as a top-down control : which of the following could qualify as a top-down control on a grassland community?
Research report by richard h. weindruch : In a research report by Richard H. Weindruch of the UCLA Medical School, it is claimed that mice with an average life span of 32 months will live to be about 40 months old when 40% of the calories in
Why is denaturation a problem : would elevation in body temperature effect lipids in the same way as denaturation? Why or why not?
State the reactants constant in a sn reaction : Suppose we doubled the volume of the solution (by adding more solvent) while keeping the quantities of the reactants constant in a SN1 reaction.
Write a program that accepts as input, without prompts : Write a program that accepts as input, without prompts, a series of short values, terminated by end of file. The program outputs one line:
Jrp a superior way to discover requirements : What makes JRP a superior way to discover requirements as compared to a regular company meeting? What do you think is the most important aspect of a JRP meeting

Reviews

Write a Review

Basic Statistics Questions & Answers

  Define the sample space for experiment

Is the event of choosing card green or blue on the first selection independent of choosing card green or red on the second selection? Why or why not?

  Standard normal distribution of getting values

In a standard normal dist. what is the prob. of getting a value less than 1.63? How about between 1.13 and 1.86? How about greater than .58?

  Starbucks in the bauer college of business

The Starbucks in the Bauer College of Business found that 24% of customers purchase more than one cup of coffee per day from their shop. If 180 customers are randomly selected one day, what is the probability that no less than 25% of them purchase..

  P-value of the corresponding hypothesis test

If  p  denotes the  p -value of the corresponding hypothesis test, which of the following is true?

  Running down a chi-squared test

You are running a chi-squared test. You have 2 groups with 3 characteristics each, what would your critical value be with an alpha of .025?

  Minimum number of cashiers needed

A store has an average of 25 people arriving each minute to checkout and each person on the average require 4 minutes to be processed at the checkout. What is the minimum number of cashiers required?

  Negative tests for hypertension

What is the predictive value of a negative test result? In other words, what is the probability that an individual who returns a negative tests for hypertension is not hypertensive? Please give your answer to 3 decimal places.

  Quasi-experimental designs

Why are quasi-experimental designs used more often than experimental designs?

  Z-score calculations for statistics students

The weight of cans of fruit is normally distributed with a mean of 1,000 grams and a standard deviation of 50 grams. What percent of the cans weigh 860 grams or less?

  Discussing discrete probability distributions

Thirty percent of the population in a southwestern community are Spanish-speaking Americans. A Spanish-speaking person is accused of killing a non-Spanish speaking American.

  What time usage guarantee manufacturer advertise

What time usage guarantee (in hours) should the manufacturer advertise in order to ensure that only 4% of the cartridges fail to meet the guaranteed time usage?

  Statistical correlation versus causation

Describe a different example of where the independent variable, while highly correlated to the dependent variable, does not cause the dependent variable to change directly.

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