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Vikki [24]
2 years ago
6

A video game randomly generates in-game items for players. Elizabeth records the items she receives. Based on the items Elisabet

h receives, she determines that the probability of receiving a speed boost is 0.21. She predicts that about 4 of her next 20 items will be speed boosts. Why is this a reasonable prediction? HELP ASAP
Mathematics
2 answers:
Ilya [14]2 years ago
7 0

Answer:

I have no idea what you think it is

Lera25 [3.4K]2 years ago
7 0
Knowing how many items are in the game is also needed
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Answer:

m(n) = 24 (0.75)^n

Step-by-step explanation:

1) <u>The two points are</u>:

a) On the first swing she swings forward by 18 degrees: <em>(1, 18)</em>

b) On the second swing she only comes 13.5 degrees forward: <em>(2,13.5)</em>

2) <u>The general equation using the form given is</u>:

m(n)=A(B)^n

3) <u>Substitute the two points</u>:

18=A(B)\\ \\ 13.5=A(B)^2

4) <u>Divide the second equation by the first one</u>:

⇒ 13.5 / 18 = B

⇒ B = 0.75

5) <u>Substitue B = 0.75 into the first equation</u>:

18 = A (0.75) ⇒ A = 18 / 0.75 = 24

Hence, the equation is:

m(n) = 24 (0.75)^n

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