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andriy [413]
2 years ago
15

Select the correct answer.

Mathematics
1 answer:
AlekseyPX2 years ago
4 0

Answer:

Step-by-step explanation:

The hands are two line segments that share the same endpoint.

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The average lifetime of a set of tires is 3.4 years. The manufacturer will replace any set of tires failing within three years o
ICE Princess25 [194]

Answer: the probability that the tires will fail within three years of the date of purchase is 0.12

Step-by-step explanation:

The average lifetime of a set of tires is 3.4 years. It means that μ = 3.4

Decay parameter, m = 1/3.4 = 0.294

The probability density function is

f(x) = me^-mx

Where x is a continuous random variable representing the time interval of interest(the reliability period that we are testing)

Since x = 3 years,

Therefore, the probability that the tires will fail within three years of the date of purchase is

f(3) = 0.294e^-(0.294 × 3)

f(3) = 0.294e^- 0.882

f(3) = 0.12

7 0
3 years ago
Each of 7 kittens, weighs less than 3.5 ounces. Find all the possible values of the combined weights of the kittens.
Vsevolod [243]

Answer:

Step-by-step explanation: divide 7 by 3.5 and then the answer that u got u multiply by that number and thats your finale answer

MAKE SURE TO FOLLOW ME AND ANY HELP IM HERE ALWAYS FOR U ..

6 0
3 years ago
According to scientific research, the probability that a person between the ages of 20 and 25 having high blood pressure, is onl
boyakko [2]

Answer:

<h2>The probability is {\frac{83}{100} }^9 \times \frac{17}{100} + {\frac{83}{100} }^8 \times {\frac{17}{100} }^2 + {\frac{83}{100} }^{10}.</h2>

Step-by-step explanation:

The probability of having high blood pressure is 17%.

We need to find the probability of 2 or fewer have high blood pressure.

Possibility 1: No one have high blood pressure.

The probability is {\frac{100 -17}{100} }^{10} = {\frac{83}{100} }^{10}.

Possibility 2: Only one have high blood pressure.

The probability is {\frac{83}{100} }^9 \times \frac{17}{100}.

Possibility 3: 2 among the 10 have the high blood pressure.

{\frac{83}{100} }^8 \times {\frac{17}{100} }^2.

Any of the possibilities can happen.

Hence, the required probability is {\frac{83}{100} }^9 \times \frac{17}{100} + {\frac{83}{100} }^8 \times {\frac{17}{100} }^2 + {\frac{83}{100} }^{10}.

4 0
3 years ago
Estimate the measure of the clockwise angle formed by the minute hand and the second hand, then classify the angle. A. 54°; acut
Harlamova29_29 [7]
I would go with b or a or d but not c 
8 0
3 years ago
Read 2 more answers
Describe how you would place 3
zhenek [66]
I would personally take the number three and trow it out the window but that's not what we are talking about
4 0
3 years ago
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