A multiple choice test consists of 60 questions each

Assignment Help Basic Statistics
Reference no: EM13636169

A multiple choice test consists of 60 questions. Each question has four possible answers, and each question has one correct answer. If all answers are random guesses, find the probability of getting at least 30% of the questions correct.

Reference no: EM13636169

Questions Cloud

A poll of 1200 randomly selected community college : a poll of 1200 randomly selected community college students in the u.s. was conducted and found that 58 favor
The diameters of pencils produced by a certain machine are : the diameters of pencils produced by a certain machine are normally distributed with a mean of 0.30 inches amd a
What is the probability that a random variable has a value : what is the probability that a random variable has a value between 1.75 and 7.35 if that random variable has a uniform
Men have hip breadths that are normally distributed with a : engineers want to design seats in commercial aircraft so that they are wide enought to fit 99 of all males. men have
A multiple choice test consists of 60 questions each : a multiple choice test consists of 60 questions. each question has four possible answers and each question has one
The business school club contains 25 members members must : the business school club contains 25 members. members must be either a finance major or an accounting major. there are
The power failures of experienced by the columbia power : the power failures of experienced by the columbia power company conform to a poisson distribution with a mean of u
The average height of college basketball players is 6 feet : the average height of college basketball players is 6 feet 4inchs with a standard deviation of 4 inchs. you take a
A machine has 15 identical componenets which function : a machine has 15 identical componenets which function independently. the probability that a component will fail is

Reviews

Write a Review

Basic Statistics Questions & Answers

  A garment manufacturing company recorded the amount of time

a garment manufacturing company recorded the amount of time that it took to make a pair of jeans on 8 different

  Distribution of data population

There're several measures of central tendency. By far the most frequently utilized of these measures is mean of population. Remember that the source of the data that you want to analyze always comes from what is called a population.

  Normal distribution-standard deviation

Assume that the measurements came from a normal distribution. The variability of the manufacturing process is unknown means the same as the standard deviation is unknown.

  Find probability that total luggage weight is more

If individual luggage weights are independent, normally distributed rv's, what is the probability that total luggage weight is at most 2500 lb?

  In an analysis of variance summary table if the mean square

in an analysis of variance summary table if the mean square between 43 and the mean square within23 then the null

  A binomial probability experiment is conducted with the

a binomial probability experiment is conducted with the given parameters. compute the probability of x successes in the

  In a study of the effectiveness of garlic for lowering

in a study of the effectiveness of garlic for lowering cholesterol 17 subjects were treated with garlicin which is

  Determining the probability of sample mean

Determine the probability that sample mean is between 7.5 and 8 minutes?

  Relative frequency to estimate probability

Estimate a probability that a seed from new plant will germinate a random sample of 3000 seeds, of those seeds 2430 germinated. What is the sample space for this problem and does it add up tp 1? are the outcome in the sample space equally likely?

  What is the probability that at least one has not written

among 27 to 32 year old 25 say they have written an editorial letter while under the influence of alcohol. suppose six

  Calculating probability of successes in independent trails

Given same values n=20, p=0.6, and x=17, calculate probability of x successes in n independent trails of experiment.

  A fair 20-sided die is rolled 120 times and the value of

a fair 20-sided die is rolled 120 times and the value of chi-square is computed using expected counts of 6 for each

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