1,029 Answered Questions for the topic Statistics Question

Statistics Question Statistics Statistics Method

09/13/17

what is highest level of measurement (nominal, ordinal, or Interval-ratio) for income
1. Determine the highest level of measurement (nominal, ordinal, or Interval-ratio) for each of the following variables. Identify the highest level at which the variable might be measured. Explain... more
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Statistics Question Statistics Probability Distribution

09/12/17

The probability that the number of successes is exactly 0
assume that a procedure yields a binomial distribmutinous with 3 trials and a probability of success of 0.10. Use a binomial table to find the probability that the number of successes is exactly... more
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Statistics Question Statistics Variables Binomials

09/12/17

Is x a binomial random variable?
The employees at a General Motors assembly plant are polled as they leave work. Each is asked, “What brand of automobile are you riding home in?” The random variable to be reported is the number of... more
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Statistics Question Statistics Probability Distribution

09/12/17

What is it that differentiates a binomial probability distribution from any other probability distribution?
What is it that differentiates a binomial probability distribution from any other probability distribution?   Honestly didn't know It was a difference my teacher explained that I only got half... more
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Statistics Question

09/12/17

An urn holds 19 identical balls except that 1 is white, 9 are black, and 9 are red...
An urn holds 19 identical balls except that 1 is white, 9 are black, and 9 are red. An experiment consists of selecting two balls in succession without replacement and observing the color of each... more
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Statistics Question Statistics Binomials

09/12/17

Use a binomial probability table to find the probability that the number of successes x is exactly 1
Assume that a procedure yields a binomial distribution with n=2 trials and a probability of success of p=0.40, Use a binomial probability table to find the probability that the number of successes... more
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09/12/17

Would it be unusual for one of the test subjects to have a pulse rate of 127.8 beats per​ minute?
A certain group of test subjects had pulse rates with a mean of 84.6 beats per minute and a standard deviation of 11.6 beats per min.   For some reason, I keep getting the incorrect answer for... more
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Statistics Question

09/12/17

difference between the average
On the "Television watching" tab of the spreadsheet, a column titled "Sample of U.K. residents" lists the hours each of 15 randomly selected United Kingdom residents reported spending watching... more
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09/11/17

CHEBYSHEV'S THEOREM QUESTION
Suppose that salaries for recent graduates of one university have a mean of $⁢25,500 with a standard deviation of $⁢1050. Using Chebyshev's Theorem, what is the minimum percentage of recent... more
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Statistics Question

09/10/17

Empirical Rule Stats
Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.61 and a standard deviation of 0.44. Using the empirical rule, what... more
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09/09/17

What is it that differentiates a binomial probability distribution from any other probability distribution?
What is it that differentiates a binomial probability distribution from any other probability distribution?   Explain why this is or is not a probability distribution,   x 1 2 3 4 P(x) 0.4 0.3... more
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Statistics Question

09/09/17

You draw a single card from a standard deck of 52 cards. What is the probability that it is not an ace?
need a answer for this question  
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Statistics Question

09/09/17

You draw a single card from a standard deck of 52 cards. What is the probability that it is not an ace?
how to answer this question
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Statistics Question

09/09/17

You draw a single card from a standard deck of 52 cards. What is the probability that it is not an ace?
 HOW do I answer this question
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Statistics Question Statistics

09/06/17

Statistics Question
On a different test, a test of physical strength, with higher scores representing more physical strength, Annie’s result is a T score of 65 and Sue’s result is a z score of 1.5. According to this... more
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Statistics Question Statistics

09/05/17

What is wrong with this​ statement?
Upper A report about the decline of Western investment in third world countries included this: "After A report about the decline of Western investment in third world countries included this: "After... more
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Statistics Question Statistics

09/05/17

A particular group of men have heights with a mean of 173 cm and a standard deviation of 77 cm. Richard had a height of 175 cm.
What is the positive difference between Richard 's height and the mean?b.How many standard deviations is that [the difference found in part (a)]?c. Convert Richard 's height to a z score.d.If we... more
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Statistics Question Statistics

09/05/17

Listed below are the top 10 annual salaries​ (in millions of​ dollars) of TV personalities. Find the​ range, variance, and standard deviation for the sample dat
39 38 37 29 18 15 13 12 11.7 10.2   The range of the sample data is $nothing million. (Type an integer or a decimal.)   The variance of the sample data is nothing. (Round to two decimal places... more
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Statistics Question Statistics

09/05/17

Determine whether the given value is from a discrete or continuous data set.
When a van is randomly selected, it is found to have a weight of 1815.5 kg?   It is from a discrete data set because the number of possible values is infinite and countable.B.It is from a... more
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Statistics Question Statistics Variables

09/04/17

What are the 3 variables?
Assume that you have selected 10 students enrolled at your college and have collected data for these three variables: x: number of courses enrolled y: total cost of text books and supplies for... more
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Statistics Question Statistics

09/04/17

Observational or experimental
describe whether the following study would most likely be "observational" or "experimental", and why it would be so.Researchers test two different blood pressure medicines to determine effectivenes.
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Statistics Question

09/04/17

What value of body temp distinguishes the higher 10%
body temp of adults is approx normally distributed with a mean of 37 degrees c & STD 0.45
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Statistics Question

08/25/17

This _____ is one of the scores if there is an odd number of scores?
Answers Option:Means/Mode/Median?
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Statistics Question

08/18/17

what is the difference between a prospective study and a retrospective study
 trying to get the difference between prospective and retrospective  
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Statistics Question

08/17/17

A spinner has 10 equally sized sections, 1 of which is red and 9 of which are blue. The spinner is spun and at the same time a fair coin is tossed. What is the
A spinner has 10 equally sized sections, 1 of which is red and 9 of which are blue. The spinner is spun and at the same time a fair coin is tossed. What is the probability that the spinner lands on... more
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