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VLD [36.1K]
3 years ago
6

Caroline flips a coin 3 times. According to the tree diagram, how many possible outcomes exist?

Mathematics
2 answers:
nadya68 [22]3 years ago
8 0
Tossing a coin n times or tossing n coins simultaneously are same things.
AND the no. of outcomes are 2^n.

Here the answer is 2³ = 8
wariber [46]3 years ago
3 0
I believe the answer is D.8
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Answer:

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2 years ago
The following information is obtained from two independent samples selected from two normally distributed populations.
AysviL [449]

A. The point estimate of μ1 − μ2 is calculated using the value of x1 - x2, therefore:

μ1 − μ2 = x1 – x2 = 7.82 – 5.99

μ1 − μ2 = 1.83

 

B. The formula for confidence interval is given as:

Confidence interval = (x1 –x2) ± z σ

where z is a value taken from the standard distribution tables at 99% confidence interval, z = 2.58

and σ is calculated using the formula:

σ = sqrt [(σ1^2 / n1) + (σ2^2 / n2)]

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Going back to the confidence interval:

Confidence interval = 1.83 ± (2.58) (0.988297)

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3 0
3 years ago
What value of X makes the equation true -7x - (-5-x) = -9(2x-1) -1
Bond [772]

Answer:

x = 1/4

Step-by-step explanation:

-7x - (-5-x) = -9(2x-1) -1

-7x + 5 + x = -18x + 9 - 1

combine like terms:

-6x + 5 = -18x + 8

add 18x to each side of the equation:

12x + 5 = 8

subtract 5 from each side:

12x = 3

divide both sides by 12:

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5 0
2 years ago
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Mademuasel [1]
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4 0
3 years ago
Read 2 more answers
Order the following numbers from least to greatest. -14 1/5,<br> -14.04,<br> -14.4
Ilya [14]

Answer:

-14.4, -14 1/5, -14.04

Step-by-step explanation:

1/5=0.2

-14..04 is closest to 0 on a number line

the more i think about it the more i doubt myself but i hope its right. pretty sure it is.  

3 0
2 years ago
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