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scoray [572]
2 years ago
14

A survey of high school juniors found the 75% of the students plan on attending college. If you pick 3 students at random, what

is the probability that at least two plan on attending college? Round to the nearest percentage.
Mathematics
1 answer:
olya-2409 [2.1K]2 years ago
4 0

Assuming you pick 3 students at random, The probability that at least two plan on attending college is 84%.

<h3>Probability</h3>

Using Binomial Distribution

Given:

n = 3

p = 0.75

q = 1-0.95 = 0.25

Hence:

P[≥2] = P[2] + P[3]=(3c2 ×0.75²×0.25) + 0.75³

P[≥2] = P[2] + P[3]=0.421875+0.421875

P[≥2] = P[2] + P[3]=0.84375×100

P[≥2] = P[2] + P[3]=84% (Approximately)

Inconclusion the probability that at least two plan on attending college is 84%.

Learn more about probability here:brainly.com/question/24756209

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On Monday in Minneapolis,Minnesota it’s was 0°F outside. On Tuesday it’s was 15 degrees colder. What was the temperature and Tue
Westkost [7]

Answer:

-15º F.

Step-by-step explanation:

Given that on Monday in Minneapolis, Minnesota it’s was 0 ° F outside, while on Tuesday it was 15 degrees colder, to determine what was the temperature on Tuesday the following calculation must be performed:

0 - 15 = X

-15 = X

Thus, the temperature on Thursday was -15º Fahrenheit, which is equal to -26.11º Celcius.

5 0
3 years ago
What is the range for the graph below?
mario62 [17]

Answer:

All real numbers except -3

Step-by-step explanation:

Range refers to numbers on the y-axis.

Domain refers to numbers on the x-axis.

Both of those lines will never reach -3, just come extremely close to it.

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3 years ago
Help me with this plz
son4ous [18]

Answer:

2x²+ 7x + 12

Step-by-step explanation:

2x(x+5)-3(x-4)

2x²+ 10x - 3x +12

2x²+ 7x + 12

8 0
2 years ago
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Drag each number to show whether it is equal to 90 percent, 90/100,or neither
victus00 [196]
9%= 9/100
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Calculate 4 raise to power 2 multiply by 5 raise to poer 2 minus 18 raise to power 2​
Paladinen [302]

Answer:

76

Step-by-step explanation:

4^2 x 5^2 - 18^2

PEMDAS is our acronym for order of operations: Parentheses, exponents, multiplication, division, addition, subtraction.

Since we have no parentheses, we'll calculate the numbers and exponents (PEMDAS) first. "to the power of 2" is also called "squared" and means multiplying that number by itself.

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Now we multiply: (PEMDAS)

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then subtract: (PEMDAS)

=76

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3 years ago
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