A particular fruit's weights are normally distributed, with a mean of 230 grams and a standard deviation of 37 grams. If you pick 81 fruit at random, what is the probability that their mean weight will be between 231 grams and 240 grams

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

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.