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GREYUIT [131]
3 years ago
11

Help me!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
snow_lady [41]3 years ago
7 0

Answer:

hey in am right

Step-by-step explanation:

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The probability of flipping a coin and noting Heads is 50%. If you flip the coin 100 times, what is the standard deviation of He
BaLLatris [955]

Answer: 5.000

Step-by-step explanation:

The formula to find the standard deviation for binomial distribution is given by :-

\sigma=\sqrt{np(1-p)}, where p is the probability of getting success in each trial and n is the number of trials.

Given : The probability of flipping a coin and noting Heads is = 0.50

The total number of trials = 100

Then , the standard deviation of Heads to be noted will be :-

\sigma=\sqrt{100(0.50)(0.50)}=5.000

Hence, the standard deviation of Heads to be noted = 5.000

5 0
3 years ago
Construct a line that is tangent to a circle at a given point
Ilia_Sergeevich [38]
Steps:

1) Draw the circle and mark the center (A) and the given point (B)

2) Draw a line that passes through the center (A) and the given poiint (B).

3) Draw a perpendicular line to the segment AB.

The last line drawn is tangent to the circle at the given point.
6 0
3 years ago
Find the missing measures for the rectangle<br> l = _?_<br> w = 4.2 m<br> A = 37.8 m2<br> P = _?_
matrenka [14]

Answer:

l:9

p:16.4

Step-by-step explanation:

l x w = A

A÷w=l

37.8÷4.4=9

2l+2w=P

18+8.4=16.4

4 0
3 years ago
Please I need your help
lesantik [10]
Diameter and radius and find product
6 0
2 years ago
What is the surface area of the ice cream
galina1969 [7]

Answer:

13194.7\ mm^2

Step-by-step explanation:

The total surface area of a cone is given by:

Surface area = \pi r(r+\sqrt{h^2+r^2} )

where r is the radius of the cone, h is the height of the cone, l is the length of the cone = \sqrt{h^2+r^2}

Given that h = 136 mm, r = 60 mm /2 = 30 mm, l = 140 mm. Also the top of the cone is not included in the surface area, hence the surface area becomes:

Surface \ area=\pi r(\sqrt{h^2+r^2} )=\pi rl\\\\Surface \ area=\pi (30\ mm)(140\ mm)=13194.7\ mm^2

3 0
3 years ago
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