A sample of 145 values is randomly selected from a

Assignment Help Basic Statistics
Reference no: EM13611546

A sample of 145 values is randomly selected from a population with mean equal to 43 and standard deviation equal to 19. (Give your answers correct to one decimal place.) (a) Determine the interval (smallest value to largest value) within which you would expect 99.7% of such sample means to lie. to (b) What is the amount of deviation from the mean for a sample mean of 45.9? (c) What is the maximum deviation you have allowed for in your answer to part (a)?

Reference no: EM13611546

Questions Cloud

Find the indicated probabilities using the geometric : find the indicated probabilities using the geometric distribution or poisson distribution. then determine if the events
Aa projectile is fired from a gun that is 690m above flat : aa projectile is fired from a gun that is 69.0m above flat ground emerging from the gun with unknown horizontal speed.
Fifty percent of households say that they would feel secure : fifty percent of households say that they would feel secure if they had 50000 in savings. you randomly select 8
Using conservation of energy find a symbolic relationship : a 66.0-g block carrying a charge q 40.0 microc is connected to a spring for which k 71.0 nm. the block lies on a
A sample of 145 values is randomly selected from a : a sample of 145 values is randomly selected from a population with mean equal to 43 and standard deviation equal to 19.
Nichrome wire of cross-sectional radius 0786 mm is to be : nichrome wire of cross-sectional radius 0.786 mm is to be used in winding a heating coil. if the coil must carry a
What is the margin of error what is the ci interval based : suppose you as the manager of austin bbq ribs would like to develop a 95 ci for the number of customers who will enter
A proton accelerates from rest in a uniform electric field : a proton accelerates from rest in a uniform electric field of 638 nc. at some later time its speed is 1.28 x 106a find
Suppose after charging a 144 microf capacitor to 15 v you : suppose after charging a 14.4 microf capacitor to 15 v you connect it to another already charged capacitor of 7 microf

Reviews

Write a Review

Basic Statistics Questions & Answers

  Alternative hypotheses-mean life in lightbulb factory

The quality control manager at a lightbulb factory needs to determine whether the mean life of a large shipment of lightbulbs is equal to the specified value of 375 hours.

  Bell-shape distribution with means

Heights of men on a baseball team has a bell-shape distribution with a means of 173 cm and a standard deviation of 9 cm. Using the empirical, rule what is the approximate percentage of the men between the following values?

  What is the standard general score conversion formula

What is the standard general score conversion formula? Is this the same as a z-score formula? Which leads me to ask How do you convert from one standard score to another?

  Estimated regression equation

Suppose you are given the following estimated regression equation: Debt Ratio = 4000 + .20 Cash Flow. If the t-stat for the slope estimate is 3.25, what can you conclude?

  Two impendent samples of signs 9 and 8 gave the sum

Two impendent samples of signs 9 and 8 gave the sum of squares of deviation from their respective means as 160 and 91 can the samples be regarded as drawn from the normal population with equal variance

  Description of survey

A survey of top executives revealed that 35 percent of them regularly read Time magazine, 20 percent read Newsweek, and 40 percent read U.S. News and World Report.

  Significance level to test the claim

Car Emissions: Listed below are measured amounts of greenhouse gas emissions from cars in three different categories. The measurements are in tons per year, expressed as CO2 equivalents.

  A box contains 8 red balls and 10 yellow balls how many

question 1 a box contains 8 red balls and 10 yellow balls. how many different ways can two balls be randomly selected

  Find probability that amount spent on selected child is more

Assume the standard deviation is $160 and that the amount spent is normally distributed. What is the probability that the amount spent on a randomly selected child is more than $700?

  Polynomials and exponents

Simplify each expression-Perimeter of a rectangle. The perimeter of a rectangular backyard is 6x+6 yards. If the width is x yards, find a binomial that represents the length.

  Testing hypotheses of population mean for food

A food processor is concerned that the 16 oz. can of sliced pineapple is being overfilled. The quality control department took a random sample of 50 cans and found that the arithmatic mean weight was 16.05 oz.

  Discuss all threats to internal validity

Pretests, posttests and threats to internal validity and please discuss all threats to internal validity.

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