part 1.
You measure 24 dolphins' weights, and find they have a mean weight
of 36 ounces. Assume the population standard deviation is 13.2
ounces. Based on this, construct a 95% confidence interval for the
true population mean dolphin weight.
Give your answers as decimals, to two places
part 2.
Linda draws a heart from a standard deck of 52 cards. She returns
the heart to the deck, then draws a second card. Her second card is
a spade.
Sore Throat | Stomachache | Headache | Total | |
Male | 2 | 5 | 12 | 19 |
Female | 10 | 20 | 19 | 49 |
Total | 12 | 25 | 31 | 68 |
part 1. You measure 24 dolphins' weights, and find they have a mean weight of 36...
a. You measure 43 watermelons' weights, and find they have a mean weight of 48 ounces. Assume the population standard deviation is 2.2 ounces. Based on this, what is the maximal margin of error associated with a 95% confidence interval for the true population mean watermelon weight? Give your answer as a decimal, to two places ± ounces b. You measure 25 watermelons' weights and find they have a mean weight of 44 ounces. Assume the population standard deviation is...
You measure 24 textbooks' weights, and find they have a mean weight of 33 ounces. Assume the population standard deviation is 13.2 ounces. Based on this, construct a 95% confidence interval for the true population mean textbook weight. Give your answers as decimals, to two places
You measure 24 textbooks' weights, and find they have a mean weight of 47 ounces. Assume the population standard deviation is 3.6 ounces. Based on this, construct a 95% confidence interval for the true population mean textbook weight. Give your answers as decimals, to two places
You measure the weights of 47 watermelons and find they have a mean weight of 77 ounces. Assume the population standard deviation is 14.4 ounces Based on this , construct a 95% confidence interval for the true population mean watermelon weight. ____<μ<___ , use 3 decimal places. State in words what this means in context of the problem:
part 1. You measure 33 watermelons' weights, and find they have a mean weight of 55 ounces. Assume the population standard deviation is 9.2 ounces. Based on this, construct a 99% confidence interval for the true population mean watermelon weight. Give your answers as decimals, to two places part 2. In a survey funded by the UW school of medicine, 750 of 1000 adult Seattle residents said they did not believe they could come down with a sexually transmitted infection...
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You measure 35 dogs' weights, and find they have a mean weight of 30 ounces. Assume the population standard deviation is 13.1 ounces. Based on this, what is the maximal margin of error associated with a 99% confidence interval for the true population mean dog weight. Give your answer as a decimal, to two places ±± __________________ ounces
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You measure 22 dogs' weights, and find they have a mean weight of 64 ounces. Assume the population standard deviation is 11.8 ounces. Based on this, construct a 95% confidence interval for the true population mean dog weight. Round your answers to two decimal places. < μ μ