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dusya [7]
3 years ago
14

Please help me with this problem 3.14 = 22/7 and r = 7/4

Mathematics
1 answer:
nevsk [136]3 years ago
8 0
What is actually the question here?
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7.4 Practice
pickupchik [31]

The simulation of the medicine and the bowler hat are illustrations of probability

  • The probability that the medicine is effective on at least two is 0.767
  • The probability that the medicine is effective on none is 0
  • The probability that the bowler hits a headpin 4 out of 5 times is 0.3281

<h3>The probability that the medicine is effective on at least two</h3>

From the question,

  • Numbers 1 to 7 represents the medicine being effective
  • 0, 8 and 9 represents the medicine not being effective

From the simulation, 23 of the 30 randomly generated numbers show that the medicine is effective on at least two

So, the probability is:

p = 23/30

p = 0.767

Hence, the probability that the medicine is effective on at least two is 0.767

<h3>The probability that the medicine is effective on none</h3>

From the simulation, 0 of the 30 randomly generated numbers show that the medicine is effective on none

So, the probability is:

p = 0/30

p = 0

Hence, the probability that the medicine is effective on none is 0

<h3>The probability a bowler hits a headpin</h3>

The probability of hitting a headpin is:

p = 90%

The probability a bowler hits a headpin 4 out of 5 times is:

P(x) = nCx * p^x * (1 - p)^(n - x)

So, we have:

P(4) = 5C4 * (90%)^4 * (1 - 90%)^1

P(4) = 0.3281

Hence, the probability that the bowler hits a headpin 4 out of 5 times is 0.3281

Read more about probabilities at:

brainly.com/question/25870256

8 0
2 years ago
Find the length of AB¯¯¯¯¯¯ to the nearest hundredth.
alukav5142 [94]

Answer:

it will be b

Step-by-step explanation:

5 0
3 years ago
PLS. HELP. ME
klemol [59]

Answer:

C. 1.75

Step-by-step explanation:

7 paved over 4 unpaved

7 divided by 4

1.75

6 0
2 years ago
Find the solution<br> X-Y=-2 and -x+y=2
kati45 [8]

Answer:

Step-by-step explanation:

both represent the same line .

Hence it has infinite solutions as there are infinite points on aline.

7 0
3 years ago
Over the course of the week, a teacher has no more than 8 student conferences. Write an inequality that represents this situatio
allochka39001 [22]
X is less than or equal to 8
4 0
3 years ago
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