+1-415-315-9853

info@mywordsolution.com

## Statistics

Find the width of the 95 percent confidence interval for mean.

For a sample of 138 independent observations from a normal distribution of unknown μ and variance σ2 = 2.6, the sample mean is 52.3. What is the width of the 95 percent confidence interval for μ?

(i) 0.269

(ii) 0.538

(iii) 6.3208

(iv) 0.0116

(v) 0.0233

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M921802

Have any Question?

## Related Questions in Statistics and Probability

### It is known that 15 of us home mortgages are under water ie

It is known that 15% of US home mortgages are under water (i.e. the homeowner owes more than the house is worth). Suppose 18 mortgages are randomly selected (assume independence). Let the random variable X equal the numb ...

### If two events a and b are such that pra is not zero and prb

If two events A and B are such that Pr(A) is not zero and Pr(B) is not zero, what combinations of independent (I), not independent (NI ), mutually exclusive (M ), and not mutually exclusive (NM ) are permissible? In othe ...

### Problem 1you invest in a portfolio of 5 stocks with an

Problem 1: You invest in a portfolio of 5 stocks with an equal investment in each one. The betas of the 5 stocks are as follows: .75, -1.2, .90, 1.3, 1.5. The risk free return is 4% and the market return is 9%.??A. Compu ...

### Jim crowresearch in your text book or any source from

Jim Crow Research in your text book or any source from within our Library about Jim Crow Laws and share with the class the history it (where did it come from, what it means etc.) 250 words with and accredited source Addi ...

### Quizmultiple-choice choose exactly one answer for each

Quiz: Multiple-Choice: Choose exactly ONE answer for each question. 1. A few of the variables for which data were collected in a certain study include age, gender, income, and number of hours spent shopping online per mo ...

### Question 1 -thirty teeth were randomly allocated into three

Question 1 - Thirty teeth were randomly allocated into three groups of 10 and a cavity in each tooth filled using one of three preparations. Following immersion in a dye, the percentage of linear leakage occurring at the ...

### Normal and sampling distributionsq1the life of cell

Normal and Sampling Distributions Q1.The life of cell batteries is normally distributed with a mean of 88.2 hours and a standard deviation of 15.5 hours. 93% of the batteries will last more than how many hours? (2 decima ...

### Questionnbspconsider the market for smart phones initially

Question:  Consider the market for smart phones. Initially the market demand for these phones is given as P = 500 – .005Q and the market supply for these phones is given as P = .005Q. For all questions in this problem ma ...

### Question 1 a survey of a snp single nucleotide polymorphism

Question 1. A survey of a SNP (Single Nucleotide Polymorphism) site segregating for nucleotides  C  and G  in a chimpanzee population found the following numbers of the different genotypes: C/C C/G G/G 11 42 64 What is t ...

### For a constant k two discrete random variables have a joint

For a constant k, two discrete random variables have a joint PMF given by (a) Find the value of the constant in terms of K. b) Find the marginal PMFs,  (c) Find

• 13,132 Experts

## 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.

### A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

### What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

### Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

### Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

### Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate