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cupoosta [38]
3 years ago
12

2h/3 -1/4 = 1/3how do you do this problem​

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
7 0
Subtract from both sides
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1. Suppose you take a coin and flip it 4 times in a row. After each flip you record whether the coin landed heads or tails. What
bekas [8.4K]

Answer:

25%

Step-by-step explanation:

Great question, since a regular coin has two sides one heads and one tails. That gives us a 50% probability of it landing on either side of the coin. Since we would like to know the probability of getting 2 heads in a row, we would need to multiply the probability of the first toss landing on heads with the second toss landing on heads, like so...

\frac{1}{2} *\frac{1}{2} =\frac{1}{4}

So we can see that the probability of us getting two heads in a row is that of \frac{1}{4}[/tex] or 25%.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

4 0
3 years ago
Check my steps and for part b, the professor wants us to show are work and I don't know how to solve it by hand.
Ugo [173]
Part a is correct.

Part b can be done a couple ways.
1) Use binomial distribution. p = 0.2, n = 144
P(x>3) = 1 - P(x=0) -p(x=1) -p(x=2) -p(x=3)
where
P(x=k) = (nCk)p^k (1-p)^{n-k}

2) Assume a normal distribution with mean = 28.2, stdev = 4.8
z = \frac{4 - 28.2}{4.8} = -5.04
Look up z-value in normal table to find probability.

Hope that helps.
4 0
3 years ago
Anyone help!!! plss!!!
Whitepunk [10]

Answer:

<h2>A. The amount of time it would take to watch ten 1/2 hour videos.</h2>

Step-by-step explanation:

Sana makatulong :)

6 0
3 years ago
If Joe makes 16 out of 40 free throws in a
abruzzese [7]
The answer would be 6.4% because you have to do 16% of 40 and it will give you 6.4 and as a percent it is 640%
8 0
3 years ago
How is writing expressions with variables and numbers similar to writing expressions using words?
RUDIKE [14]

The expressions in which the numbers, or variables, or both, are connected by operational signs (+, - etc.) are called algebraic expressions. For example 5, 4x, a+b, x−y.

4 0
3 years ago
Read 2 more answers
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