6. Describe the shape of the distribution shown in the histogram which displays the light output, in lumens, of various light sources.

20

18

16

14

12

10

+

8

-

6

4

2

0

200

400

1,000

1,200

600 800

lumens

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

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.

Plz ( true - false) all triangles have interior angles whose measure sum to 90.