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atroni [7]
2 years ago
8

PLSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS ASSSSSSAAAAAAAP HELPPPPPPPPPPPPPPPP

Mathematics
1 answer:
Katarina [22]2 years ago
7 0

Answer:

hablas verja ijueputa mamaverja

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A coin is slightly bent, and as a result the probability of a head is 0.52. Suppose that you toss the coin four times. Use the B
Nataly_w [17]
Hi <span>Spor7tdardLamilokab, this particular equation is a binomial probability equation:

P(X) = </span>( \frac{n}{k}) * p^{k} *(1 - p)^{n-k}

Note that it's not n / k, but rather the notation is n choose k. Brainly software will not allow me to do this, but imagine the n choose k, without the bar, and that the correct notation.
 
Where (\frac{n}{k}) equals  \frac{n!}{k!(n-k)!} , where n! is n * (n-1) * (n-2) 8 ... 1

So for your particular equation:

P(x \geq 3) =  (\frac{5}{3}) * 0.52^{3} * (1 - .52)^{5-3}

You would repeat the above equation for 4 as well and add that to the computation for 3, since you want the probability that you'll get 3 or more heads.

Solving this produces the answer:

P(x\geq 3) = 0.34308352

You can also solve this with a TI 83 or 84.

To do this, the steps are 2ND | VARS (or DISTR) | BINOMPDF| TRIALS | PROBABILITY | X VALUE

Doing this for 3 and 4 produces the same result:

binompdf(4, 0.52, 3) + binompdf(4, 0.52, 4) = 0.34308352


5 0
3 years ago
Vanessa has 287 pennies. She has 178 fewer nickels than pennies. She has 100 fewer dimes than nickels. How many dimes does Vanes
ankoles [38]
287-178=109

109-100=..............................9!!!!
4 0
3 years ago
Read 2 more answers
What are the vertex and x-intercepts of the graph of the function below?
Effectus [21]
B. Vertex(1,-5); intercepts x=-4,2
5 0
3 years ago
True or false. 2/4=4/6​
LekaFEV [45]

Answer:

False

Step-by-step explanation:

2*2 =4, so if this were true 4*2 would equal 6. Since it doesn't, the answer is false.

I hope this helps :)

5 0
2 years ago
Read 2 more answers
Plot 5 parabolas, one through each set of color-coordinated points. (image attached)
Ahat [919]

Answer:

Red: y=(x+6)^2-1

Blue: y=-(x+3)^2+1

Green: y=(x^2-1)

Orange: y=-(x-3)^2+1

Purple: y=(x-6)^2-1

Step-by-step explanation:

Use Desmos to check

8 0
3 years ago
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