a. Assume that a sample is used to estimate a population proportion p. Find the margin of error M.E. that corresponds to a sample of size 343 with 292 successes at a confidence level of 99.8%.
M.E.=
b. You measure 46 textbooks' weights and find they have a mean
weight of 79 ounces. Assume the population standard deviation is
7.5 ounces. Based on this, construct a 90% confidence interval for
the true population mean textbook weight.
Give your answers as decimals, to two places
< μ <
c. Suppose n=40,¯x=38n=40,x¯=38 and σ=2.5σ=2.5. Based on this, what is the maximal margin of error associated with a 99% confidence interval for the true population mean.
Margin of error =
d. You measure 33 turtles' weights, and find they have a mean
weight of 30 ounces. Assume the population standard deviation is
9.1 ounces. Based on this, construct a 99% confidence interval for
the true population mean turtle weight.
Give your answers as decimals, to two places
± ounces
a. Assume that a sample is used to estimate a population proportion p. Find the margin...
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 48 turtles' weights, and find they have a mean weight of 72 ounces. Assume the population standard deviation is 8.1 ounces. Based on this, what is the maximal margin of error associated with a 90% confidence interval for the true population mean turtle weight.
You measure 28 turtles' weights, and find they have a mean weight of 64 ounces. Assume the population standard deviation is 11.9 ounces. Based on this, construct a 90% confidence interval for the true population mean turtle weight. Give your answers as decimals, to two places.
Question 6 > 51 Details You measure 34 turtles' weights, and find they have a mean weight of 67 ounces. Assume the population standard deviation is 4.7 ounces. Based on this, construct a 90% confidence interval for the true population mean turtle weight. Give your answers as decimals, to two places + ounces
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
You measure 41 turtles wroghrs and find they have a mean weight of 60 ounces. Assume the population standard deviation is 13.6 ounces. Based on this, construct a 95% confidence interval for the true population mean turtle weight.
You measure 37 dogs' weights, and find they have a mean weight of 69 ounces. Assume the population standard deviation is 9.2 ounces. Based on this, what is the maximal margin of error associated with a 90% confidence interval for the true population mean dog weight. Give your answer as a decimal, to two places
You measure 39 backpacks' weights, and find they have a mean weight of 33 ounces. Assume the population standard deviation is 6.6 ounces. Based on this, what is the maximal margin of error associated with a 95% confidence interval for the true population mean backpack weight. Give your answer as a decimal, to two places 30.93 35.07 x ounces
You measure 41 watermelons' weights, and find they have a mean weight of 61 ounces. Assume the population standard deviation is 11.7 ounces. Based on this, what is the maximal margin of error associated with a 90% confidence interval for the true population mean watermelon weight.
You measure 23 textbooks' weights, and find they have a mean weight of 48 ounces. Assume the population standard deviation is 8.6 ounces. Based on this, construct a 99% confidence interval for the true population mean textbook weight. Give your answers as decimals, to two places. I get the answer of 43.36 <u< 52.64