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Arlecino [84]
3 years ago
11

The

Mathematics
1 answer:
Archy [21]3 years ago
3 0

Answer:

D

Step-by-step explanation:

Add 11,27,14,34,16, and 17 then divide by 7

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Suppose a NBA basketball player has 5% chance of picking up a foul every minute he plays. What is the probability that he will p
alukav5142 [94]

Answer:

He wont foul out with probability 0.9093

Step-by-step explanation:

The total number of fools he picked is a Binomial ditribution noted by X with parameters p = 0.05 and N = 48. The mean of this random variable is μ = np = 48*0.05 = 2.4 and the variance is σ² = np(1-p) = 2.4*0.95 = 2.28, hence its standard deviation is σ = √2.28 = 1.51.

Note that, if approximate probability is asked, we could just approximate X with a Normal random variable with mean 2.4 and standard deviation 1.51 (this can be done because of the central limit theorem). We will calculate the probability manually. He wont foul out if he picks 0,1,2,3 or 4 fouls, thus

P(X \leq 4) = P(X=0)+P(X=1)+P(X=2)+P(X=3)+P(X=4) \\= 0.95^{48}+48*0.95^{47}*0.05+{48 \choose 2}*0.95^{46}*0.05^2+\\{48 \choose 3}*0.95^{45}*0.05^3+{48 \choose 4}*0.95^{44}*0.05^4 \\= 0.085+0.215+0.266+0.215+0.127 = 0.9093

As a consecuence, he wont foul out with probability 0.9093.

8 0
3 years ago
Expand and simplify (x + 3)(x + 5)<br><br><br><br>​
Ann [662]
Answer (apply the FOIL method)

X^2+8x+15
6 0
2 years ago
Read 2 more answers
she claims that because the mean number of words on each page of the language arts book is greater than the mean number of words
Readme [11.4K]
Well based on this information, I don't think that this is a valid inference. There isn't enough data to go off of in order to answer this question.
7 0
2 years ago
At beginnings of population study a city had 330,000 people. Eac year since, the population has grown by 6.8% . let t be the num
insens350 [35]

Answer:

Y=330,000(1.068)^t

Step-by-step explanation:

3 0
3 years ago
Choose the best definition for the following term: variable
andrew11 [14]

Step-by-step explanation:

a variable is a quantity that may change within the context of a mathematical problem or experiment

I hope this was helpful

6 0
3 years ago
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