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murzikaleks [220]
3 years ago
11

Find the probability of obtaining exactly one tail when flipping 3 coins. Express your answer as a fraction in lowest terms or a

decimal rounded to the nearest millionth. Please help me figure this out
Mathematics
1 answer:
Ann [662]3 years ago
6 0

Answer:

3/8

or

.375

Step-by-step explanation:

This is a binomial distribution

{3\choose1}*.5*(1-.5)^2=.375 or 3/8

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You spinner that has 12 equal sides sections number 1 through 12 find each probability probability three or four
grigory [225]

Answer:

1 in 12 chance of landing on 3

1 in 12 chance of landing on 4

1 in 6 chance of landing on either 3 or 4

Step-by-step explanation:

12 equal sections means probability is 1 in 12 of landing on any one numbered section.

2 in 12 or 1 in 6 chance of landing on either of two numbered sections in one attempt.

4 0
3 years ago
Transformation of quadratic functions
Kitty [74]

Answer:

g(x) = a(x − h)2 + k, where a ≠ 0.

Step-by-step explanation:

The parent function of the quadratic family is f(x) = x2. A transformation of the graph of the parent function is represented by the function g(x) = a(x − h)2 + k, where a ≠ 0.

6 0
3 years ago
Please help me thanks for everything one who help me on the last question
natita [175]

Answer:

15/22

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
One plane can travel 30 miles per hour faster than another. one of them goes 185 miles in the same time it takes the other to go
ycow [4]
Plane #1 speed:  x mph
Plane #2 speed:  (x+30) mph

time = time becomes

170 mi        185 mi
---------- = --------------
      x             x+30

Solving for x, the speed of the slower plane, we get

170x + 5100 = 185 x
                                           5100
Then 15x = 5100, and x = ---------- (mi/hr) = 340 mph
                                              15

The slower plane flies at 340 mph, and the faster one at 370 mph.
6 0
3 years ago
Evaluate the expression when x = 12 and y = 2.x3y
harina [27]

12 \times 3 \times 2 = 72
12×3= 36
36×2=72
5 0
3 years ago
Read 2 more answers
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