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This page lists questions and answers that were posted by visitors named ----.

Questions

The following questions were asked by visitors named ----.

a copper cylinder 1.50 m long and 40.0 cm in diameter stands on one end.what is the mass of the cylinder?
13 years ago
The standard deviation for a population is σ = 15.3. A sample of 36 observations selected from this population gave a mean equal to 74.8. a) Make a 90% confidence interval for μ b) Construct a 95% confidence interval for μ. c) Determine a 99% confidence i...
11 years ago
A company that produces detergents wants to estimate the mean amount of detergent in 64-ounce jugs at a 99% confidence level. The company knows that the standard deviation of the amounts of detergent in all such jugs is .20 ounce. How large a sample shoul...
11 years ago
Tony's Pizza guarantees all pizza deliveries within 30 minutes of the placement of orders. An agency wants to estimate the proportion of all pizzas delivered within 30 minutes by Tony's. What is the most conservative estimate of the sample size that would...
11 years ago
Exercise 8.92 Tony's Pizza guarantees all pizza deliveries within 30 minutes of the placement of orders. An agency wants to estimate the proportion of all pizzas delivered within 30 minutes by Tony's. What is the most conservative estimate of the sample s...
11 years ago
A sample of 11 observations taken from a normally distributed population produced the following data. −7.1 10.3 8.7 −3.6 −6.0 −7.5 5.2 3.7 9.8 −4.4 6.4 a) What is the point estimate of μ? b) Make a 95% confidence interval for μ. c) What is the margin of e...
11 years ago
A total of $4100 was invested, part of it at 5% interest and the remainder at 10%. If the total yearly interest amounted to $370, how much was invested at each rate?
8 years ago
a number die is rolled 24 times and lands on 6 three times and 2 four times. what is the experimental probability of the die NOT landing on 6?
3 years ago

Answers

The following answers were posted by visitors named ----.