Question

An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of...

An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans have brown eyes. A random sample of n=60 C of I students found 30 with brown eyes. Give the numerical value of the statistic p̂ .

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

numerical value of the statistic p̂ = (30/60) = 0.5                                                                                     

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of...
An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans have brown eyes. A random sample of n=82 C of I students found 30 with brown eyes. We test H0:p=.45 Ha:p≠.45 (a) What is the z-statistic for this test? (b) What is the P-value of the test?
An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of...
An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans have brown eyes. A random sample of n=82 C of I students found 30 with brown eyes. We test H0:p=.45 Ha:p≠.45 (a) What is the z-statistic for this test? (b) What is the P-value of the test?
An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of...
An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans have brown eyes. A random sample of n=78 C of I students found 30 with brown eyes. We test H0: p=.45 Ha: p≠.45 What is the P-value of the test?  
mod 8 question 6 An article in the Washington Post on March 16, 1993 stated that...
mod 8 question 6 An article in the Washington Post on March 16, 1993 stated that nearly 55% of all Americans have brown eyes. A random sample of 57 students found 31 with brown eyes. Give the numerical value of the sample proportion, ?̂ p^, and find the value of the test statistic. Sample Proportion ?̂ =p^=  (round to four decimal places). Test Statistic ?=z=  (round to four decimal places)
An article published in the Washington Post claims that 45 percent of all Americans have brown...
An article published in the Washington Post claims that 45 percent of all Americans have brown eyes. A random sample of n = 82 college students students found 30 who had brown eyes. Consider testing ?0:?=.45 ??:?≠.45 (a) The test statistic is z = (b) P-value =
An article published in the Washington Post claims that 45 percent of all Americans have brown...
An article published in the Washington Post claims that 45 percent of all Americans have brown eyes. A random sample of n=82 college students students found 30 who had brown eyes. Consider testing ?0:?=.45H0:p=.45 ??:?≠.45Ha:p≠.45 (a) The test statistic is z = (b) P-value =
An article published in the Washington Post claims that 45 percent of all Americans have brown...
An article published in the Washington Post claims that 45 percent of all Americans have brown eyes. A random sample of ?=84 college students found 31 who had brown eyes. Consider testing ?0:?=.45 ??:?≠.45 (a) The test statistic is ? = -1.491 **** (b) P-value = ???
An article in the San Jose Mercury News stated that students in the California state university...
An article in the San Jose Mercury News stated that students in the California state university system take 5.5 years, on average, to finish their undergraduate degrees. A freshman student believes that the mean time is less and conducts a survey of 60 students. The student obtains a sample mean of 4.9 with a sample standard deviation of 0.3. Is there sufficient evidence to support the student's claim at an α=0.1 significance level? Preliminary: Is it safe to assume that...
M&M's Color Distribution: Suppose the makers of M&M candies give the following average percentages for the...
M&M's Color Distribution: Suppose the makers of M&M candies give the following average percentages for the mix of colors in their bags of plain chocolate M&M's. Stated Distribution of Colors Brown Yellow Red Orange Green Blue Percent   30%   20%   20%   10%   10%   10% Now, you randomly select 200 M&M's and get the counts given in the table below. You expected about 20 blues but only got 9. You suspect that the maker's claim is not true. Observed Counts by Color...
MATHEMATICS 1. The measure of location which is the most likely to be influenced by extreme...
MATHEMATICS 1. The measure of location which is the most likely to be influenced by extreme values in the data set is the a. range b. median c. mode d. mean 2. If two events are independent, then a. they must be mutually exclusive b. the sum of their probabilities must be equal to one c. their intersection must be zero d. None of these alternatives is correct. any value between 0 to 1 3. Two events, A and B,...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT