There are 250 students at a middle school and 32% of them are in 6th grade. How many students are in either 7th or 8th grade?

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.

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)