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vekshin1
3 years ago
13

Sidney has 4 hats and 2 scarves in a drawer. All the hats are the same size, shape, and material. Both scarves are the same size

, shape, and material. The table below shows the colors of Sydney's hats and scarves. Sidney will pick one hat and one scarf from the drawer without looking. What is the probability that Sidney will be a blue hat and a white scarf?
Mathematics
2 answers:
zhenek [66]3 years ago
4 0
25 percent and 50 percent
Ainat [17]3 years ago
4 0

Answer:

It will be 1/4 (25%) and 1/2 (50%) if you do them separate. If you do the probability together, the answer will be 1/8 (12.5%)

Step-by-step explanation:

If she has 4 hats, there is a 1/4 (25%) probability that she will pick a blue hat. If she has 2 scarfs, there is a 1/2 (50%) probability that she will pick a white scarf. If you want to find the probability for the whole thing, then you will multiply 1/4 (25%) by 1/2 (50%).

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max2010maxim [7]
I guess that u = μ & that a=σ. If so:

μ =100 & that σ =20 & x=20

Z score = (x-μ) / σ  ==> Z score = (90-100)/20 ==> Z = - 0.5
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4 years ago
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Step-by-step explanation:

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you flip 3/2 to 2/3 and multiply

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Find the value of each expression.<br> 6b2 – 5 if b = 3
snow_tiger [21]
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3 0
3 years ago
Read 2 more answers
Make b the subject of the formula <br><img src="https://tex.z-dn.net/?f=k%20%3D%20%20%5Cfrac%7Bbrt%7D%7Bv%20-%20b%7D%20" id="Tex
balu736 [363]

Answer:

b = \frac{kv}{k+rt}

Step-by-step explanation:

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b(k + rt ) = kv ← divide both sides by (k + rt )

b = \frac{kv}{k+rt}

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