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Zielflug [23.3K]
3 years ago
10

The product of x and y is less than or equal to 4.

Mathematics
1 answer:
timama [110]3 years ago
5 0

Answer:

xy (less than or equal to sign) 4

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Let X denote a random variable which corresponds to the number of players in a team who get injured during a game. If we assume
Feliz [49]

Answer:

(a)

The values of X can be 0, 1, 2 , ..., 10 . So, X is a discrete random variable.

(b)

The distribution of X is Binomial distribution with the parameters n = 10 and p = 0.2

(c)

Probability that no one or one person will be injured = P(X = 0) + P(X = 1)

= 10C0 * 0.20 * (1 - 0.2)10-0 + 10C1 * 0.21 * (1 - 0.2)10-1

= 0.810 + 10 * 0.2 * 0.89

= 0.3758096

(d)

Average value of X = np

Average value of X = 10 * 0.2 = 2

(e)

Variance of X = np(1-p)

Variance of X = 10 * 0.2 * (1 - 0.2) = 1.6

(f)

Number of ways in which 2 people gets injured = 10C2 = 10! / ((10-2)! 2!) = (10 * 9) / (2 * 1) = 45

Assume the best player got injures, number of ways in which one people out of remaining 9 people gets injured = 9C1

= 9! / ((9-1)! 1!)

= 9

Probability that the best player got injured = Number of ways in which 1 people gets out of 9 and best person gets injured / Number of ways in which 2 people gets injured

= 9 / 45

= 0.2

4 0
3 years ago
the local Swim Center is making a special offer they regular charge is $7 per day to swim at the pool the special offer would ha
algol [13]
To fill in the first column = 
Every day is 7 dollars, which you have already answered.
The second one would be = 
day 0 = 30 dollars. And then it would be 4$ for days 1 through 10.
Hope this helps!
8 0
2 years ago
What is 412 divine by 8 but in Interpret the remainder Way please help
MatroZZZ [7]

The answer is 51 remainder 4      because 51* 4 =408 and 412 + 4 = 412

5 0
3 years ago
Can someone please explain the area of a circle in the simplest way possible, no links
AlekseyPX

So, for the area of a circle, there should be a line in the middle. Correct?

Well, that line is the diameter. Then cut that in half, so if the diameter is 6, the radius is 3.

Then multiply the the radius by the radius, so 3x3 once you get that, multiply the answer by pi. Pi= 3.14, so if you do 3x3x3.14 you should get 28.26. Hope this helps.

3 0
2 years ago
Joe flips the disc shown below 15 times:
vfiekz [6]
Whatever the number of times you flip the disc, as long as the disc has uniformly distributed mass throughout the body, then

The probability will always be 50%
7 0
3 years ago
Read 2 more answers
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