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Ket [755]
3 years ago
15

Please, I need help with this

Mathematics
1 answer:
andre [41]3 years ago
5 0

Answer: The answer in this photo thanks for a little quiz

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Let X have a binomial distribution with parametersn = 25and p. Calculate each of the following probabilities using the normal ap
olga55 [171]

Answer:

The answer is explained below

Step-by-step explanation:

We have the following formulas:

from binomial distibution: P (X = x) = (nCx) * (p) x * (1-p) n-x

from normal distribution: P (X <= x) = (x-np) / sqrT (np (1-p))

Now, n = 25 and p (0.5, 0.6, 0.8), we replace in the formulas and we are left with the following table:

 P        P(15<=X<=20)                    P(14.5<=X<=20.5)

0.5            0.2117     is less than            0.2112

0.6            0.5763     is less than            0.5685

0.8            0.5738    is greater than       0.5957

3 0
4 years ago
PLEASE HELP ME!!! THIS IS TIMED!!!! PLEASE HELP ME!!!!!!!!!!
allsm [11]

Answer:

2%

Step-by-step explanation:

if its wrong im so sorry

7 0
3 years ago
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Find x and y so the quadrilateral is a parallelogram.
bulgar [2K]
6x - 12 = 2x + 36
4x = 48
x = 12

4y = 6y - 42
-2y = -42
y = 21
3 0
3 years ago
PLEASE HELP
mamaluj [8]
I had this question before I wish I could help you ‍♀️
3 0
3 years ago
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(GEOMETRY) 30pts<br> Which triangles area can be calculated using the trigonometric area formula
viva [34]

Answer:

C.

Step-by-step explanation:

(B. looks like it may also be one).

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3 years ago
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