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balandron [24]
3 years ago
7

The probability of a coin landing on heads when it is flipped is

Mathematics
2 answers:
forsale [732]3 years ago
8 0

Answer:

50%

Step-by-step explanation:

The theoretical probability to get either heads or tails is 0.5 (or 50 percent). The probabilities of all possible outcomes should add up to 1 (or 100 percent), which it does.

Vesnalui [34]3 years ago
6 0

Answer:

50%

Step-by-step explanation:Since there is a 0.5 chance of the coin landing on heads add a zero and take off the .0 and you get 50%.

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Which fractions are equivalent to 12/15
matrenka [14]

Answer:

4/5                24/30

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
* 20 points * help me please.?????........???!
lorasvet [3.4K]
y=ax^2+bx+c

A parabola is open up if a > 0.
The vertex formula: y=a(x-h)^2+k
(h; k) - the coordinates of the vertex
B.\ y=x^2+10x+24=x^2+2x\cdot5+24=x^2+2x\cdot5+5^2-5^2+24=(x+5)^2-1
Therefore h = -5 < 0
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3 0
3 years ago
Worldwide, the proportion of babies who are boys is about 0.51 . Let the random variable X represent the number of boys in five
solmaris [256]

Answer:

mean = 2.55

Standard deviation = 1.118

Step-by-step explanation:

Probability of babies who are boys

P = 0.51

Then we have q = 1-p

= 1-0.51

= 0.49

We have n = 5

We calculate the mean as:

np

= 0.51x5

= 2.55

Therefore mean = 2.55

The standard deviation

= √variance

= √npq

= √0.51x5x0.49

=√1.2495

= 1.118

6 0
2 years ago
Find the product: (0.45)•(0.008)
Leya [2.2K]

0.45x0.008=0.0036

---

hope it helps

5 0
3 years ago
The front of a house needs to be painted black. The garage door is 1.5 m high and 2 m wide.
PolarNik [594]

Answer:

1.5x 2 = 3

3/2 = 1.5

the answer is 1.5 square meter paint required

4 0
2 years ago
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