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il63 [147K]
3 years ago
15

About 34% of people are expected to be infected by the flu this season. What is the risk that a randomly selected person will be

infected by the flu?'a) 34 b) 0.34 c) 0.66 d) 66 e) 1 divided by the population size
Mathematics
1 answer:
Mariana [72]3 years ago
5 0

Answer:

B 0.34

Step-by-step explanation:

If 34% of all people are expected to get the flu, then that means 34% of any sample size should also expect to be infected.  If they choose 1 person at random from either the population or a preselected random sample, then that person has a 34% chance of getting the flu.  0.34 is the decimal corresponding to 34%. So the probability is 0.34

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The average score of all golfers for a particular course has a mean of 61 and a standard deviation of 3.5 . Suppose 49 golfers p
Nadya [2.5K]

Answer:

The probability that the average score of the 49 golfers exceeded 62 is 0.3897

Step-by-step explanation:

The average score of all golfers for a particular course has a mean of 61 and a standard deviation of 3.5

\mu = 61

\sigma = 3.5

We are supposed to find he probability that the average score of the 49 golfers exceeded 62.

Formula : Z=\frac{x-\mu}{\sigma}

Z=\frac{62-61}{3.5}

Z=0.285

Refer the z table for p value

p value = 0.6103

P(x>62)=1-P(x<62)=1-0.6103=0.3897

Hence the probability that the average score of the 49 golfers exceeded 62 is 0.3897

7 0
3 years ago
1. How far does a car travel if it's 16-inch wheel rotates 3 times?<br><br><br>HELP!​
Nataly_w [17]

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3 years ago
For triangle ABC with sides a,b and c the law of cosines states
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Answer:

SAS

Step-by-step explanation:

Looking for the third side given the other two sides and the angle between them

c² = a² + b² - 2abcosC

6 0
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mihalych1998 [28]
16x-32=48 /+32
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WARRIOR [948]

Answer:

$564

Step-by-step explanation:

6% of 600 is 36

So 600-36= $564

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3 years ago
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