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Misha Larkins [42]
3 years ago
6

Suppose a baseball team has 14 players on the roster who are not members of the pitching staff. Of those 14 players, assume that

three have recently taken a performance-enhancing drug. Suppose the league decides to randomly test five members of the team. What is the probability that at least one of the tested players is found to have taken a performance-enhancing drug
Mathematics
1 answer:
Nadusha1986 [10]3 years ago
7 0

Answer: Our required probability would be 0.70.

Step-by-step explanation:

Since we have given that

Number of players = 14

Number of players have recently taken a performance enhancing drug = 3

Number of players have not recently taken a performance enhancing drug = 14-3=11

Number of members chosen randomly = 5

We need to find the probability that at least one of the tested players is found to have taken a performance enhancing drug.

P(Atleast 1) = 1 - P(none is found to have taken a performance enhancing drug)

So, P(X≥1)=1-P(X=0)

P(X\geq 1)=1-^5C_0(\dfrac{11}{14})^5\\\\P(X\geq 1)=1-(0.786)^5\\\\P(X\geq 1)=0.70

Hence, our required probability would be 0.70.

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leva [86]

Answer:

24

Step-by-step explanation:

Since at the retailer you find a choice of 4 CD players, 2 amplifiers and 3 sets of speakers. We have 4 different ways of selecting the CD players, we also have 2 different ways of selecting the amplifiers and 3 different ways of selecting the 3 sets of speakers.

So, the total number of different HiFi systems are available to purchase from this retailer is 4 × 3 × 2 = 24 .

So we have 24 different HiFi systems are available to purchase from this retailer

3 0
2 years ago
Following data, what would be the value of x?
kirill115 [55]

Answer:

The answer is C. 10

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Estimate the product by rounding 2 x 6,254
Pavlova-9 [17]
5 × 6,254= 31,300 is the awnser :)
6 0
3 years ago
Last year Rikki sang 960 songs with his rock band. How many songs did he sing per month? How did you get your answer?
alexira [117]
If he sang the same number of songs each month, he sang 80 songs per month.

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6 0
3 years ago
Which represents the reflection of f(x)=sqrt x over the y axis
zloy xaker [14]

reflection of f(x)=\sqrt{x} over the y axis we get g(x)=\sqrt{-x}

Step-by-step explanation:

We need to find the reflection of f(x)=sqrt x over the y axis

So, reflection over y- axis

If the function f(x) is transformed over y-axis then the new function g(x) will be g(x)= f(-x)

So, finding reflection of f(x)=\sqrt{x} over the y axis we get:

g(x)=\sqrt{-x}

So, reflection of f(x)=\sqrt{x} over the y axis we get g(x)=\sqrt{-x}

Keywords: Transformations

Learn more about Transformations at:

  • brainly.com/question/2415963
  • brainly.com/question/5563823
  • brainly.com/question/9381523

#learnwithBrainly

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