Due in 7 hours, 41 minutes. Due Thu 07/30/2020 11:59 pm You want to obtain a...
Due in 7 hours, 41 minutes. Due Thu 07/30/2020 11:59 pm You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p -0.28. You would like to be 97% confident that your esimate is within 4% of the true population proportion. How large of a sample size is required? Hint: Textbook Video [+]
Due in 7 hours, 40 minutes. Due Thu 07/30/2020 11:59 pm You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately o = 25.2. You would like to be 98% confident that your estimate is within 2.5 of the true population mean. How large of a sample size is required? Hint: Textbook Video [+] TIP Enter your answer as an integer or decimal number. Examples: 3, 4,...
HW 8.1 Due in 7 hours, 38 minutes. Due Thu 07/30/2020 11:59 pm Questions Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence interval for a sample of size 301 with 187 successes. Enter your answer as a tri-linear inequality using decimals (not percents) accurate to three decimal places. Question 1 (0/1) Question 2 (0/1) Question 3 (0/1) Question 4 (0/1) ps Get Help Grade: 014 Print Version Points possible: I This is...
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p=0.69. You would like to be 95% confident that your esimate is within 2% of the true population proportion. How large of a sample size is required? Hint: Video [+]
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 0.15. You would like to be 98% confident that your esimate is within 2.5% of the true population proportion. How large of a sample size is required? Hint: Video [+] n =
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p=0.6. You would like to be 96% confident that your esimate is within 4% of the true population proportion. How large of a sample size is required? Hint: Video [+] n-
HW 11.2 Due in 7 hours. 32 minutes. Due Thu 07/30/2020 11:59 pm Total Points Possible: 2 Questions Suppose a random sample of 948 athletes from the college are asked what their major is. The table below shows the results of the survey. Question 1 (0/1) Question 2 [0.4/1) Grade: 0.412 Observed Frequencies of Majors from the Sample Outcome Observed Frequency Math/Science 185 Arts & Humanities Business & Economics 241 Other 290 Print Version 232 The distribution of majors at...
Due Sun 05/31/2010 11:59 pm You want to obtain a sample to estimate a population proportion. At this point in time, you have to be for the population proportion. You would like to be 99.9% confident that you esimate is within 0.25 population proportion. How large of a sample size is required? Hint: Shouldn't the answer be a WHOLE NUMBER Do not round mid-calculation. However, use a critical value accurate to three decimal places Points possible: 1 Unlimited attempts. Score...
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 0.78. You would like to be 99% confident that your esimate is within 4% of the true population proportion. How large of a sample size is required?
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 0.11. You would like to be 98% confident that your esimate is within 3% of the true population proportion. How large of a sample size is required? _____