You want to find a sample to estimate how much couples will spend on their first...
You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based on previous study, you believe the population standard deviation is approximately o = 45.1 dollars. You would like to be 98% confident that your estimate is within 2.5 dollar(s) of average spending on the birthday parties. How many parents do you have to sample? Get help: Video Written Example
You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based on previous study, you believe the population standard deviation is approximately σ=32.1 dollars. You would like to be 98% confident that your estimate is within 1 dollar(s) of average spending on the birthday parties. How many moms do you have to sample? Do not round mid-calculation. n =
part 1. You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based on previous study, you believe the population standard deviation is approximately σ=63.5σ=63.5 dollars. You would like to be 95% confident that your estimate is within 1 dollar(s) of average spending on the birthday parties. How many parents do you have to sample? n= part 2. In a survey, 10 people were asked how much they spent on their child's last...
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=61.9σ=61.9. You would like to be 90% confident that your estimate is within 1.5 of the true population mean. How large of a sample size is required?
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ = 37.2 σ = 37.2 . You would like to be 90% confident that your estimate is within 1.5 of the true population mean. How large of a sample size is required? n=?
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=53.4σ=53.4. You would like to be 90% confident that your esimate is within 0.2 of the true population mean. How large of a sample size is required? n =
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately o = 21.3. You would like to be 95% confident that your estimate is within 5 of the true population mean. How large of a sample size is required?
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=39.2. You would like to be 98% confident that your estimate is within 5 of the true population mean. How large of a sample size is required? n =
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=26.9σ=26.9. You would like to be 95% confident that your estimate is within 1 of the true population mean. How large of a sample size is required?
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ = 45.7 . You would like to be 95% confident that your estimate is within 0.1 of the true population mean. How large of a sample size is required? n=