Many doctors worry that heavy backpacks cause shoulder and back pain in students. Some doctors believe that backpacks should not weigh more than 10% of a student's body weight
The body and backpack weights of eight high school students are given here, along with a scatterplot of the data.
Weight (lbs)
Backpack
weight (lbs)
36
o
120
26
32
o
187
30
28
Backpack weight (lbs)
O
109
26
103
24
24
131
29
20
165
35
100
158
120 140 160 180
Student weight (lbs)
31
116
28
a.
Find a trend line for the data. Write your equation in slope-intercept form.

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.