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3 years ago

Probability scenarios?

Mathematics

1 answer:

velikii [3]3 years ago

4 0

Here are some probability scenarios.

- Flipping a coin and seeing if it is heads or tails.

- Thinking to yourself: "Is it going to rain or hail?"

- Spinning a spinner and seeing what color it lands on.

- Probability in winning the lottery.

- Having 5 pairs of black shoes and one pair of yellow shoes.

The probability of picking the yellow shoe is 1/5.

There are lots of more examples out there!

<em>Hope helps!-Aparri </em>

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A health study tracked a group of person for five years. At the beginning of the study, 20% were classified as heavy smokers, 30

Aleks04 [339]

Answer: 0.421

Step-by-step explanation:

Heavy smoker = 20%

Light smoker = 30%

Non smokers = 50%

We can assume that the probability that a non-smoker is going to die in the next 5 years be y.

Since light smokers were twice as likely as nonsmokers to die during the five-year study, the probability will be:

= 2 × y = 2y

Probability for the Heavy smokers will be:= 2 × 2y = 4y

The expected number of people that will die for each in the next 5 years will be:

Non smoker:

= 50% × y

= 0.5 × y

= 0.5y

Light smoker:

= 30% × 2y

= 0.3 × 2y.

= 0.6y

Heavy smoker:

= 20% × 4y.

= 0.2 × 4y

= 0.8y

Total = 0.5y + 0.6y + 0.8y = 1.9y

The probability that the participant was a heavy smoker will be:

= 0.8y/1.9y

= 0.421

3 0

3 years ago

What is the common denominator between 3/8 and 1/2

Nimfa-mama [501]

1/2 = 4/8

3/8 = 3/8

8 is the common denominator between these two fractions

4 0

3 years ago

Can I get some help, it is due in 15 minutes and I need help. Thanks, any help appreciated

koban [17]

Well, I'm way past the 15 min mark, but here's how to do the question.

With this, you will need to use the distance formula, $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ , on XY, YZ, and ZX.

XY: $\sqrt{(3-1)^2+(1-6)^2}$

Firstly, solve inside the parentheses: $\sqrt{(2)^2+(-5)^2}$

Next, solve the exponents: $\sqrt{4+25}$

Next, solve the addition, and XY's distance will be √29

(The process is the same with the other 2 sides, so I'll go through them real quickly)

YZ:

$\sqrt{(6-3)^2+(3-1)^2}\\ \sqrt{(3)^2+(2)^2}\\ \sqrt{9+4}\\ \sqrt{13}$

ZX:

$\sqrt{(1-6)^2+(6-3)^2}\\ \sqrt{(-5)^2+(3)^2}\\ \sqrt{25+9}\\ \sqrt{34}$

Now that we got the 3 sides, we can add them up: $\sqrt{29}+\sqrt{13} +\sqrt{34} =14.8$

In short, your answer is 14.8, or the second option.

8 0

3 years ago

The diameter of a circle is 2 centimeters. What is the circle's radius?,

STALIN [3.7K]

Answer:

1 cm

Step-by-step explanation:

The radius is half the length of the diameter

5 0

3 years ago

$14,000 is deposited into a savings account with an annual interest rate of 4% compounded continuously. How much will be in the

Svetlanka [38]

Option A = $15,748.096
Formula for compound interest = P(1+Interest Rate)^n
=> 14000(1.04)^3
=$15,748.096

8 0

2 years ago