Servings of fruits and vegetables the following table gives, Ask an Expert

Statistics

Servings of fruits and vegetables. The following table gives the distribution of the number of servings of fruits and vegetables per day in a population.

Number of servings X	0	1	2	3	4	5
Probability	0.3	0.1	0.1	0.2	0.1	0.2

Find the mean and the standard deviation for this random variable.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92232521

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

You want to try your hand at investingyou want to invest in

You want to try your hand at investing.You want to invest in WellsFargo because you think their hard times are behind next ten years at least. In fact, they have estimated that the increasing at a rate of 18% per year fo ...

Research research and sample 5000 household concerning tv

Research research and Sample 5000 household concerning TV shows they watch. Based on the sample 18% reported watching 60 Minutes. What is the 95% confidence interval for the proportion of all Americans that watch 60 minu ...

We perform a statistical test to examine if the mean

We perform a statistical test to examine if the mean lifetime of lab mice increases when given vitamin B12 compared to a placebo. Which of the following is a Type I error? Conclude that Vitamin B12 increases the mean lif ...

A process is normally distributed with a mean of 104

A process is normally distributed with a mean of 104 rotations per minute and a standard deviation of 8.2 rotations per minute. If a randomly selected minute has 128 rotations per minute, would the process be considered ...

A certain diagnostic test is indicative of problems only if

A certain diagnostic test is indicative of problems only if a child scores in the lowest 10% of those taking the test (the 10th percentile). If the mean score is 150 with a standard deviation of 30, what would be the dia ...

You work in the quality control office for a company that

You work in the quality control office for a company that manufactures fluorescent light bulbs. Your company offers a 4-year (1461 day) warranty on these bulbs. The average life span of your bulbs is 1600 days with a sta ...

A manufacturing company wishes to compare two production

A manufacturing company wishes to compare two production facilities based on Defective units out of total unit production. The company obtains random samples from both facilities. Facility A produced a total of 983 units ...

Staples has six special drafting pencils for sale two of

Staples has six special drafting pencils for sale, two of which are defective. A student buys two of these six drafting pencils, selected at random. Let the random variable X be the number of defective pencils. Construct ...

Iq test scores of students are normally distributed with

IQ test scores of students are normally distributed with mean μ=100 and standard deviation σ=10. What is the 33th percentile of the IQ scores? For a randomly chosen student, what is the probability that his or her IQ sco ...

Research scenario a social psychologist is interested in

Research Scenario: A social psychologist is interested in whether the number of days spent in a refugee camp predicts trauma levels in recently resettled refugees. He interviews 17 refugees to determine how many days the ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert