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nataly862011 [7]
3 years ago
7

A jar contains 8 red marbles, 10 blue marbles, and 2 yellow marbles. One marble is chosen at random. The color is recorded in th

e table and then it is returned to the jar. This is repeated 40 times. Based on this data, what color marble is likely to be chosen next? Why
Red: 14
Blue: 16
Yellow: 10
Mathematics
1 answer:
NeX [460]3 years ago
6 0

Answer:

blue is more likely to be chosen because there are more of them than the other colors

Step-by-step explanation:

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Find the 114th term of the following sequence
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Answer:

456

Step-by-step explanation:

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Solve for y.<br> 8+4y= -8
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Answer:

-4

Step-by-step explanation:

8+4y= -8

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y=-4

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How does the value of log2^100 compare with the value of log6^20?
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To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes the amount of nicotine foun
QveST [7]

Answer:

We conclude that  the mean nicotine content is less than 31.7 milligrams for this brand of cigarette.

Step-by-step explanation:

We are given the following in the question:  

Population mean, μ = 31.7 milligrams

Sample mean, \bar{x} = 28.5 milligrams

Sample size, n = 9

Alpha, α = 0.05

Sample standard deviation, s =  2.8 milligrams

First, we design the null and the alternate hypothesis

H_{0}: \mu = 31.7\text{ milligrams}\\H_A: \mu < 31.7\text{ milligrams}

We use One-tailed t test to perform this hypothesis.

Formula:

t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n}} }

Putting all the values, we have

t_{stat} = \displaystyle\frac{28.5 - 31.7}{\frac{2.8}{\sqrt{9}} } = -3.429

Now, t_{critical} \text{ at 0.05 level of significance, 8 degree of freedom } = -1.860

Since,                  

t_{stat} < t_{critical}

We fail to accept the null hypothesis and accept the alternate hypothesis. We conclude that  the mean nicotine content is less than 31.7 milligrams for this brand of cigarette.

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3 years ago
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