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Iteru [2.4K]
3 years ago
12

Suppose that X is a binomial random variable with n = 10 and p = 0.25. Find P 2).

Mathematics
2 answers:
goblinko [34]3 years ago
3 0

Answer:

0.3582 0.3600 x is the binomial random variable

seraphim [82]3 years ago
3 0

Answer:

0.2816

Step-by-step explanation:

X ~ B(10, 0.25) q = 0.75

10C2 × 0.25² × 0.75⁸

= 0.2815675735

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Please help with this questions.
dezoksy [38]

Answer:

11 m= 3      12 slope is 4 and y intercept is 2

Step-by-step explanation:

11 slope = gradient of a line                            formulae        y2-y1  / x2 - x1  

12-6 / 4-2 =3                                

12 slope is the gradient so and is found as m in the equation y=mx + c

so 4 is the slope and the y intercept is where x= 0 so y = 2

4 0
3 years ago
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4 0
3 years ago
A child looks up in front of himself and sees a hot air balloon in the sky. The angle of elevation from the child to the balloon
blsea [12.9K]

Answer: 95.996 feet ( Approx )

Step-by-step explanation:

Here, the distance of the child from the spot that is directly under the balloon = 75 ft

Let the distance of the balloon from the ground = h ft

Now, According to the question,

We can write,


\frac{\text{ The distance of the balloon from the ground}}{\text{ The distance of the child from the spot that is under balloon}}=tan52^{\circ}

\frac{h}{75}=tan52^{\circ}

h = tan52^{\circ}\times 75=95.9956224145\approx 95.996\text{ feet}




5 0
4 years ago
Find the perimeter of the figure to the nearest hundredth. (includes picture)
mr_godi [17]

Answer:

20+20+(circumference of a semi circle)

40+(1/2×2πr)

49+36

= 85mm

4 0
3 years ago
What is the volume of a triangular pyramid with a height of 4 centimeters and a length of 6cm
yaroslaw [1]
Considering that the length and the width are equal, the volume would be 48 cm because V=lwh/3. Hope this helped!
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4 years ago
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