Mathematics: You have a 5-question, true-false quiz. what is the probability that you choose each answer at random and get 4 of the questions correct?

You have a 5-question, true-false quiz. what is

Ответ:

zachstonemoreau

13.01.2022

The probability of getting each question right is 50%, or ½
$\frac{1}{2} \times \frac{1}{2} \times \frac{1}{2} \times \frac{1}{2} \times \frac{1}{2} = \frac{1}{2 \times 5} = \frac{1}{10} = 10\%$

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Ответ:

Symonek

25.02.2023

Mathematics

Assistant manager sal= $800

cook sal = $400

server sal = 300

Step-by-step explanation:

lets say 3 people salaries are x, y and z respectively

let x be the cook salary

cook salary = x

assistant manager sal = y = 2x

server sal = z = x - 100

putting in the equation total salary three together make = 1500

x+y+z = 1500

x+2x+(x-100) = 1500

4x -100 = 1500

4x = 1600

x = 400

y = 2x = 2x400 = 800

z = x - 100 = 400 - 100 = 300

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You have a 5-question, true-false quiz. what is the probability that you choose each answer at random and get 4 of the questions correct?

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