Can u pls help me with this question

Mathematics

2 answers:

aliina [53]3 years ago

5 0

The answers 1, 2, 5, and 6

Trava [24]3 years ago

4 0

Answer:

B, E, and F

Step-by-step explanation:

Why is it B? Because the ratio of oil to vinegar is 3:2, and divided by 2 is 1.5 and 2 divided by 2 is 1 which is 1.5 : 1

Why is it E? Because the ratio of oil to vinegar is 3:2, and 3 multiplied by 2 is 6 and 2 multiplied by 2 is 4.

Why is it F? Because the ratio of oil to vinegar is 3:2, and 3 multiplied by 3 is 9 and 2 multiplied by 3 is 6.

<em>Note: </em>Whatever you do to one side, you have to do to another side. That is why when one number is multiplied or divided by a certain number, the other number has to be multiplied or divided by the same number the other number was multiplied or divided by.

Hope I helped!

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Among 46- to 51-year-olds, 28% say they have called a talk show while under the influence of peer pressurepeer pressure. Supp

sasho [114]

Answer:

0.8997, 0.9999

Step-by-step explanation:

Given that among 46- to 51-year-olds, 28% say they have called a talk show while under the influence of peer pressure.

i.e. X no of people who say they have called a talk show while under the influence of peer pressure is binomial with p = 0.28

Each person is independent of the other and there are only two outcomes

n =7

a) the probability that at least one has not called a talk showcalled a talk show while under the influence of peer pressure

= $P(Y\geq 1)$ where Y is binomial with p = 0.72

= $1-(1-0.72)^7\\=0.9999$

b) the probability that at least one has called a talk showcalled a talk show while under the influence of peer pressurepeer pressurethe probability that at least one has not called a talk showcalled a talk show while under the influence of peer pressure

= $P(x\geq 1) =1-P(0)\\= 1-(1-0.28)^7\\=0.8997$