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Damm [24]
3 years ago
8

Nathan had an infection, and his doctor wanted him to take penicillin. Because Nathan's father and paternal grandfather were all

ergic to
penicillin, Nathan had a 75% chance of having the same allergy. The doctor performed a skin test to see whether Nathan would react to it. The
test is 98% accurate. What is the probability that Nathan is allergic to penicillin and the test predicts it?
A. 0.005
B. 0.015
C. 0.245
D.
0.735

Mathematics
1 answer:
dem82 [27]3 years ago
8 0

Answer:

.735

Step-by-step explanation:

.735 is 98 percent of .75

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7. Which of the verbal descriptions best matches the function below? <br><br> f(x)=0.02x+150
slega [8]

Gene earns 2% interest after depositing $150 into his account , Option D.

<h3>What is a Function ?</h3><h3 />

A function is a law that relates an independent variable and a dependent variable with each other.

The function given is

f(x) = 0.02 x +150

Option D , Gene earns 2% interest after depositing $150 into his account

So this verbal description matches the function given as it represents , the total account balance of Gene .

Therefore Option D is the correct answer.

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6 0
2 years ago
F(x) = x2 + 4x – 5 is x = -2.
Likurg_2 [28]
If im correct it would be -2(2)+4(-2)-5 which is -4-8-5 which would be -17
5 0
3 years ago
Please help me answer
Scrat [10]

DAnswer:

Step-by-step explanation:

7 0
3 years ago
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Help Me For Brainlist !!!!!!!!!!!!
tatiyna

Answer:

30°,40°

Step-by-step explanation:

let the other angles be 3x and 4x

3x+4x+110=180

7x=180-110=70

x=70/7=10

3x=3×10=30

4x=4×10=40

5 0
3 years ago
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Given that for simplicity that the number of children in a family is 1, 2, 3, or 4, with probability 1/4 each. Little Joe (a boy
horsena [70]

Answer: \dfrac{1}{4}

Step-by-step explanation:

Given : The number of children in a family is 1, 2, 3, or 4.

Little Joe (a boy) has no brothers. But he may have sisters.

The sample space for the number of child in Joe's family : {B, BG, BGG, BGGG}, where G represents girl and B represents boys.

Then , for the probability that he is an only child, favorable outcome = B

Thus, the probability that he is an only child is given by :-

=\dfrac{\text{Favorable outcome}}{\text{Total outcomes}}=\dfrac{1}{4}

Hence, the probability that he is an only child = \dfrac{1}{4}

5 0
3 years ago
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