Assume that a sample is used to estimate a population mean μ
. Find the 98% confidence interval for a sample of size 61 with a mean of 25.9 and a standard deviation of 20.9. Enter your answer as an open-interval (i. e., parentheses) accurate to 3 decimal places.

98% C. I. =

Answer should be obtained without any preliminary rounding.

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.

If i had 1234 apples and 1 banana what is the total amount