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PtichkaEL [24]
3 years ago
11

43​% of men consider themselves professional baseball fans. you randomly select 10 men and ask each if he considers himself a pr

ofessional baseball fan. find the probability that the number who consider themselves baseball fans is​ (a) exactly​ five, (b) at least​ six, and​ (c) less than four.
Mathematics
1 answer:
KonstantinChe [14]3 years ago
8 0

a)0.43^5*0.57^5

b)0.43^6*0.57^4

c)0.43^3*0.57^7+0.43^2*0.57^8+0.43^1*0.57^9+0.57^10

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Ronch [10]

Answer:

86.7 gallons

Step-by-step explanation:

I literally went decimal by decimal to find it. So theres no way it's wrong

4 0
3 years ago
Can two box plots have the same range and iqr
Salsk061 [2.6K]
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6 0
3 years ago
Hey
Ray Of Light [21]
To find the first blank, just replace x in the equation with 12 and solve.
a(12) = 50 - 1.25(12) = your answer for blank 1

For blank 2: because x represents the number of apps on her phone, and x is given 12 for this problem, she bought 12 apps.

For blank 3: You would mention how many apps she got twice, so not the first option or the third option. It should be the answer from the first blank because the equation represents how much money is in her account.
7 0
3 years ago
In a class of 35 students, 19 take history and
saveliy_v [14]

Answer: 9

Step-by-step explanation:

If 19 students take history, 12 take economics and 5 take both:

19-5 = 14 students that take only history

12-5 = 7 students that take only economics

Therefore total number of students who either history, economics or history and economics: 14 + 7 + 5 = 26

Therefore students who take neither: 35 - 26 = 9

4 0
2 years ago
Solve the system of equations. Enter your answer as an ordered pair (x, y). 4x+y=−1 −5x−2y=−4
777dan777 [17]

Answer:

Step-by-step explanation:

4x + y = - 1 -------------(I)

-5x - 2y = -4 -----------(II)

Multiply the equation (I) by 2 and then add the equations.

(I)*2        8x + 2y = -2

(II)          <u>-5x - 2y = -4</u>  {Now add and y will be eliminated}

             3x         = -6

                       x = -6/3

x = -2

Substitute x = -2 in equation (I)

4*(-2) + y = -1

-8     + y = -1

          y  = - 1 + 8

           y = 7

6 0
2 years ago
Read 2 more answers
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