Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

Find the critical value for t and determine the null and alternate hypothesis.

1. What is the critical t-value for a right-tailed test when a = .025and d.f. = 12?
a.0.695
b.2.179
c.2.831
d.2.201

 

2. Are the following statements a valid pair of null and alternative hypothesis?
H0 : μ ³ 17 Ha : μ £ 17
1.No, these statements both compare a parameter to a value
2.No, there are no parameters contained in these statements
3.No, the alternative hypothesis cannot contain numeric values
4.No, these statements have overlapping regions

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922038

Have any Question?


Related Questions in Statistics and Probability

41 of the doctors in america are dentists if a random

41% of the doctors in America are dentists. If a random sample of size 826 is selected, what is the probability that the proportion of doctors who are dentists will be less than 40%?

A population has a mean mu equals84 and a standard

A population has a mean mu equals84 and a standard deviation sigma equals6. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=36.

While preparing for their comeback tour the flaming rogers

While preparing for their comeback tour, the flaming Roger's find that the average time it takes their sound tech to set up for a show is 61 minutes, with a standard deviation of 4.1 minutes. If the band manager decides ...

For planning purposes truss manufacturers must try to

For planning purposes, truss manufacturers must try to predict the number of hurricanes that will hit the eastern seaboard of the United States in any given year. If this area is hit with an average of 6 hurricanes per y ...

What is the fraction defective if material hardness is

What is the fraction defective if material hardness is normally distributed with a mean of 42 and a standard deviation of 1 and the specification limits for hardness are from 35 to 45? What value for the process mean wil ...

A researcher determines that students study an average of

A researcher determines that students study an average of 60 15 (M SD) minutes per week. Assuming these data are normally distributed, what is the z score for students studying 45 minutes per week?

What is the sample size for studies with moe of -35 and -28

What is the sample size for studies with MOE of +/-3.5% and +/-2.8%, with a confidence level of 95%, sample statistics of 50. Suppose the category population was 7500 (less than 10,000)? Remember the FPC. What would be t ...

In developing their warranty policy a washing machine

In developing their warranty policy, a washing machine company estimates that over a 1-year period 15% of their new washing machine will need to be repaired. You and your neighbor both purchase a new washing machine. 1) ...

Ann and bill play rock-paper-scissors each has a strategy

Ann and Bill play rock-paper-scissors. Each has a strategy of choosing uniformly at random out of rock, paper, and scissors every round (making independent selections each round). Each round can end in a win, loss, or a ...

Suppose a soft drink company want to perform a taste test

Suppose a soft drink company want to perform a taste test on 5 brands of diet cola. How many permutations are there for presenting 5 diet colas to test subjects?

  • 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

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As