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iragen [17]
3 years ago
5

If you flip three fair coins, what is the probability that the first two flips will both be heads, and the third flip will be ei

ther heads or tails?
Mathematics
1 answer:
brilliants [131]3 years ago
8 0

Answer:

2 head, 1 tail.

Step-by-step explanation:

i did it 3 times just now. i got. 2 heads, 1 tail. i keept on doing it but i keep on getting 2 heads and 1 tail. but once i got 1 head and 2 tails. but most likely you will get 2 head and 1 tail.

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Charles is 45 years old, and makes $40,000 per year. If he were to die, how
AleksandrR [38]

Answer:

Oh, how morbid these interest problems are.

Are you asking how much they would recieve in a year?

If so:

40000/100=400

400*60=$24000 a year

4 0
3 years ago
Read 2 more answers
What are the steps for adding and subtracting mixed numbers with unlike denominators
Valentin [98]
Well, there are different ways to do this if you are really familiar with fractions, but "officially" :P

1) convert mixed numbers to improper fractions.

rule:  a b/c = (ac+b)/c

2)  make all fractions have a common denominator...

a/b+c/d

(a/b)(d/d)+(c/d)(b/b)

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3)

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5 0
3 years ago
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A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 46.046.0 and
Gala2k [10]

Answer:

The probability of selecting a class that runs between 50.2550.25 and 51.2551.25 minutes is 0.10

Step-by-step explanation:

The Uniform Distribution, also known as Rectangular Distribution, is a type of Continuous Probability Distribution. It has a continuous random variable restricted to a finite interval and its probability function has a constant density during this interval.

The formula of probability if given by:

f(x)=

\left \{ {{\frac{1}{b-a}; \ a \leq x \leq b  } \atop {0}; \ x \ otherwise } \right.

In this exercise a= 46.0 and b= 56.0

The probability of selecting a class that runs between 50.2550.25 and 51.2551.25 minutes is:

\int\limits^{51.25}_{50.25} {\frac{1}{56-46} } \, dx = \int\limits^{51.25}_{50.25} {\frac{1}{10} } \, dx = \frac{1}{10} \times (51.25 - 50.25)=\frac{1}{10}=0.1

7 0
3 years ago
HELP PLEASE AND SHOW WORK!!!
lana66690 [7]

Answer:

awnser is A

Step-by-step explanation:

Multiply all sides by 2 then add then up and you get 432.

5 0
2 years ago
Find the greatest common factor of 10b^3 and 25w.
Neporo4naja [7]

Answer:

i dont know  

Step-by-step explanation: just for points sorry :(

7 0
3 years ago
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