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marissa [1.9K]
3 years ago
8

. Toss a coin two times. Outcome Probability

Mathematics
1 answer:
Katen [24]3 years ago
7 0

All the possibilities of two tosses are:

H - H

H - T

T - H

T - T

<u>Probabilities</u>:

no Heads . . . 0.25

no Tails . . . . . 0.25

one Heads . . . 0.5

one Tails . . . . . 0.5

two Heads . . . 0.25

two Tails . . . . . 0.25

at least one Heads . . . 0.75

at least one Tails . . . . . 0.75

the two results are the same . . . 0.5

the two results are different . . . 0.5

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I can't solve it, so, here goes nothin'. "Some people are on a train, 19 people get off at one stop, then, the next one 13. Now
Stolb23 [73]

19+13=32

32+63=95

95-4=91

91+10=101

This means that 101 people are now on the bus.

HOPE THIS HELPS <3

4 0
2 years ago
Please help NO LINKS! OR FILES!!! I REPEAT NO LINKS! OR FILES! Thank you!
ollegr [7]

Answer:

bottom right.

Step-by-step explanation:

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5 0
2 years ago
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Mona wants to obtain a 94% confidence interval for the mean weight of turtles. She read in the Big Book of Turtles that the stan
mel-nik [20]

Answer:

87

Step-by-step explanation:

Population standard deviation = σ = 37 grams

Confidence interval = 94%

(1-α)×100% = 94

⇒α = 0.06

From table z table and interpolation

z = 1.881

L = Confidence interval length = 15

N = Number of samples

L=2z_{\alpha/2}\frac{\sigma}{\sqrt N}\\\Rightarrow \sqrt N=2z_{\alpha/2}\frac{\sigma}{L}\\\Rightarrow \sqrt N=2\times 1.881\frac{37}{15}\\\Rightarrow \sqrt N=9.2796\\\Rightarrow N=86.11097616\approx 87

∴ Number of turtles must she must weigh is 87

6 0
3 years ago
Find the solution to the following system of linear equations.
11Alexandr11 [23.1K]

Answer:

B

Step-by-step explanation:

because when you replace x and y

you find 4=4

5 0
3 years ago
HEEEELLLPPP PPPLLLZZZ! 30 points if i get the right answer plus step by step
valentinak56 [21]

Answer:

2x - 3

Step-by-step explanation:

2x² - 7x + 6 / x - 2

Factorise the numerator(quadratic expression).

2x² -7x + 6

Find the factor of (2×6= 12  ) that add up to give -7 , the coefficient of x.

Factors = -4 and -3

Rewrite the equation

2x² -4x -3x + 6

2x(x - 2) -3(x -2)

( 2x - 3)(x - 2)

Therefore the expression would be

(2x -3)(x-2) / (x-2)

(x-2) divides (x-2) to give

= 2x - 3

I hope this was helpful, please rate as brainliest  

4 0
2 years ago
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