### Students applied for merit scholarships

Assignment Help Basic Statistics
##### Reference no: EM1398126

Seven students have applied for merit scholarships. This year 3 merit scholarships were awarded. If a random sample of 3 aplications (from the population of 7) is selected,

a) what is the probability that 2 students were recipents of scholarships?

b) what is the probability that no students were the recipients of the scholarship?

### Previous Q& A

#### Addition of a specific gene

There are sixty one codons that each specify the addition of a specific gene there are no corresponding amino acid, however there are only about for anticodons how is that possible?

#### Levels of significance-anova-correlation coefficient

Suppose the following table shows the number of colds 7 different people got during the typical cold season based on the number of times they washed they washed their hands per day during the cold season.

#### How many heat calories would this person generate

If an individual was exercising at an exercise intensity of 1.5 liters of oxygen per minute, and had a mechanical efficiency of 20 percent, how many heat Calories would this person generate in 30 minutes?

#### Give olaf a plan of action for the future

Give Olaf a plan of action for the future that attacks the problem. Be specific and provide examples that relate to Wireless Telecom Company.

#### Null hypothesis and the alternate hypothesis

State the null hypothesis and the alternate hypothesis. State the decision regarding the null hypothesis.

#### Determine the best way to rephrase

Determine the best way to rephrase:paraphrase long passage you just read. Using reference, incorporate suitable APA-formatted.

#### Approximation to the sampling distribution

If the test contains 250 questions, what is the probability that Julie will score 75% or lower? (Use the normal approximation to the sampling distribution to solve this problem.)

#### Estimate the genotypic frequencies

Given the following allele frequencies estimate the genotypic frequencies and explain how you calculate the genotypic frequencies from the allele frequencies for both generations it would be.

#### What is the specific activity

You have measured the absorption of pNP created by acid phosphatase after 12.5 minutes of reaction to be 0.188. The reaction occurred in a 500 microliter volume into which was added 0.200mL of 0.400 mg/mL WAP.

#### Determining correlation and cause

If we want to estimate the selling price on the basis of age, which variable is the dependent and which is the independent? Draw a scatter diagram.

### Similar Q& A

#### Research regarding diabetes and alcohol consumption

Read the data from the fictitious research study regarding diabetes and alcohol consumption, and analyze and interpret the results.

#### Computing sample test statistic and critical test statistic

Give critical test statistic and compute sample test statistic. Test null hypothesis at alpha level .01.

#### Rejecting the null hypothesis-sample evidence

Suppose you always reject the null hypothesis, regardless of any sample evidence.

#### Random selection book from used-book sale

At a used-book sale, 100 books are adult books and 160 are children's books. Of the adult books, 70 are nonfiction while 60 of the children's books are nonfiction. If a book is selected at random, find the probability that is is:

#### Estimating sample size-population mean

What sample size must you take to be 96% confident that the results will be within \$.75 of the true mean cost per call?

#### Evaluate the significance of the hypothesis - t-tests

Evaluate the significance of the hypothesis that the randomized algorithm has a lower average runtime than the known comparison algorithm. As before, explain and list your calculations, test choices, and conclusion drawn.

#### Relationship between bananas-apples-vitamin c

A diet is being developed which must contain at least 100 mg of vitamin C. Two fruits are used in this diet. Bananas contain 30 mg of vitamin C and Apples contain 20 mg of vitamin C. The diet must contain at least 100 mg of vitamin C. Which of the..

#### Survey of customer satisfaction

Assume that you are conducting a survey of customer satisfaction regarding their cellular phone.

#### Evidence that production run doesn-t meet specification

Is there significant evidence that this production run doesn't meet specifications? Use a 1% level of significance.

#### Distribution of the lengths of the songs

Find the probability that a random selection of 9 songs will have mean length of 186.30 seconds or less. Assume distribution of the lengths of the songs is normal.

#### Improved rocket launching system

A new improved rocket launching system is being considered for short-range assault rockets. The requirement is that 80% of the rockets shall strike the target area at 800 meters. A sample of 36 experimental launches is made with 29 striking the ta..

#### Explaining mound-shaped distribution with mean

Assume duration of human pregnancies follow mound-shaped distribution with mean of 266 days and the standard deviation of 16 days. 