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morpeh [17]
3 years ago
7

Andres playsa soccer video game. He earns 3 stars for every goal hs scores and loses 3/4 stars every time he misses the goal. He

scores 5 goals and misses the goal 4 times. How many stares does he have
Mathematics
1 answer:
bekas [8.4K]3 years ago
6 0

Answer:

Andres has 12 stars.

Step-by-step explanation:

  • 3 stars - 1 goal
  • -3/4 stars - Missed goal
  • Scored 5
  • Missed 4

3 * 5 = 15

He has 15 stars but then misses 4 goals.

3/4 * 4 = 3

He loses 3 stars becuase he missed 4 goals.

15 - 3 = 12

He ends with 12 stars.

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4 years ago
Assume that the probability that a baseball player will get a hit in any one at bat is 0.250. What is the probability that he wi
Yanka [14]

Answer: 0.0791

Step-by-step explanation:

Given : The probability that a baseball player will get a hit in any one at bat is 0.250.

Let x be the first hit.

According to the geometric probability , the probability that x (th) trial is the first success =P(X=x)=(1-p)^{x-1}p , where p is the probability of getting success in each trial.

As per given p= 0.250

Then, the probability that he will get his first hit on his 5th at bat will be :

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Hence, the probability that he will get his first hit on his 5th at bat is 0.0791 .

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