1.3-5r=7.4
-1.3 -1.3
-5r=6.1
/-5 /-5
-1.22
r = -1.22
Answer:
B. TH
Step-by-step explanation:
TH is an element in the sample space for first rolling a die and then tossing a coin.
T means tails
H means heads
A coin has both heads and tails.
Check the picture below.
notice, is just a triangle with a base of 4, and an altitude of 3.
The following is the solution for the problems given above:
A. The probability that all adults have only a cellphone is P(only cellphone) = 0.49 ^ 4 = 0.0576
B. If 49% only have a cellphone and no landline, then only 51% don’t have this combination of phones, so therefore: P (no one with only a cellphone) = 0.51^4 = 0.0677
C. If at least one of them has a cellphone: P (at least one with cell phone) = 1 – P(cellphone and/or landline) = 1 – (0.51)^4 = 0.9323
Answer:
47200
372
Step-by-step explanation:
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