Question

During the 2010 MLB seasons, the home team won 1,359 games and the away team won...

During the 2010 MLB seasons, the home team won 1,359 games and the away team won 1,071 games. What is the test statistic to compare the observed data versus a 50/50 outcome?

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

Homework Answers

Answer #1
null Hypothesis:              Ho:   p= 0.500
alternate Hypothesis:    Ha: p ≠ 0.500
sample success x   = 1359
sample size          n    =1359+1071 = 2430
std error σp =√(p*(1-p)/n) = 0.0101
sample proportion p̂ = x/n=1359/2430= 0.5593
test statistic z =(p̂-p)/σp=(0.559-0.5)/0.559= 5.84
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
During the 2010 MLB seasons, the home team won 1,359 games and the away team won...
During the 2010 MLB seasons, the home team won 1,359 games and the away team won 1,071 games. What is the test statistic to compare the observed data versus a 50/50 outcome?
During the 2010 MLB seasons, the home team won 1,269 games and the away team won...
During the 2010 MLB seasons, the home team won 1,269 games and the away team won 1,371 games. What is the test statistic to compare the observed data versus a 50/50 outcome? Round to two decimal places.
During the first 15 weeks of the 2016 seasons, the home team won 137 of the...
During the first 15 weeks of the 2016 seasons, the home team won 137 of the 238 regular-season National Football League games. Is this strong evidence of a home field advantage in professional football? Test an appropriate hypothesis and state your conclusion. Be sure the appropriate assumptions and conditions are satisfied before you proceed.
There were 2430 Major League Baseball games played in 2009, and the home team won the...
There were 2430 Major League Baseball games played in 2009, and the home team won the game in 53% of the games. If we consider the games played in 2009 as a sample of all MLB games, test to see if there is evidence, at the 5% significance level, that the home team wins more than half (50%) of the games. a. Write the null and alternative hypotheses b. Check the Central Limit Theorem c. Set up your sampling distribution...
A. In a random sample of 50 games, the home team won 28 games and lost...
A. In a random sample of 50 games, the home team won 28 games and lost 22 games. Use StatKey to construct a 95% bootstrap confidence interval using the percentile method to estimate the proportion of all games won by the home team in the population. Take at least 5,000 resamples. Don’t forget to include a screenshot from StatKey and to identify your answer. B. Interpret the meaning of the confidence interval constructed in part A by completing the phrase...
1. A. In a random sample of 40 games, the home team won 23 games and...
1. A. In a random sample of 40 games, the home team won 23 games and lost 17 games. Use StatKey to construct a 95% bootstrap confidence interval using the percentile method to estimate the proportion of all games won by the home team in the population. Take at least 5,000 resamples. B. Given your confidence interval in part A, is there evidence that in the population, the proportion of games won by the home team is different from 0.50...
When games were sampled from throughout a season, it was found that the home team won...
When games were sampled from throughout a season, it was found that the home team won 127 of 198 professional basketball games and the home team won 57 of 99 professional football games. At the 5% level of significance, does this indicate that there is a significant difference between the proportion of home games won by the two sports? (1) List all the information necessary for conducting the hypothesis test and state which test you are doing. (2) State the...
During this past tennis season, the Team A won 177 of 200 games while the Team...
During this past tennis season, the Team A won 177 of 200 games while the Team B won 117 of 130 games. We’re interested in determining if Team A is significantly worse than Team B. At a 5% level of significance, conduct the appropriate hypothesis test. a. Ho: pA = pB Ha: pA pB b. Test statistic:   =  Round to 2 decimals. c. p-value =   Round to 4 decimals. d. Interpretation of the p-value: If the null hypothesis is   , then there is a  probability...
Consider a sample of 55 football​ games, where 32 of them were won by the home...
Consider a sample of 55 football​ games, where 32 of them were won by the home team. Use a 0.01 significance level to test the claim that the probability that the home team wins is greater than​ one-half. a) The test statistic for this hypothesis test is b)The​ P-value for this hypothesis test is
When games were randomly sampled throughout the season, it was found that the home team won...
When games were randomly sampled throughout the season, it was found that the home team won 127 of 198 professional basketball games, and the home team won 57 of 99 professional football games. a) Find a 95% confidence interval for the difference in the population proportions of home wins. Include the sample proportions, LaTeX: z_{\frac{\alpha}{2}}z α 2and standard error. b) Based on your results in part a) do you think there is a significant difference? Justify your answer; explain.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT