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3 years ago

What is the difference between most likely and equally likely and certainly

2 answers:

mote1985 [20]3 years ago

7 0

Most likely means that there is a very high chance of an event happening, but this is not for sure going to happen. Equally likely means that there is an equal chance between/among two or more events happening. For example, if there were a 50% of rain and a 50% chance of dry weather, we would call the two scenarios equally likely. Certainly means that an event has a 100% chance of happening and will definitely happen.

irina [24]3 years ago

5 0

Most likely: the one that is probably the best

equally likely: two or more are equal in value

certainly: this one is absolute it is the answer

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What is the volume of a cube that has sides 9.2 inches long?

anzhelika [568]

The volume of a cube is V=x³ where x is the side length. The volume of a cube can also be written as V=lwh, where l is length, w is width and h is height. since the given side length to us is 9.2, we can put that into the formula.
V=9.2³, or V=9.2*9.2*9.2
V=778.688in³

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2 years ago

Conduct the appropriate hypothesis test and compute the test statistic. A company that produces fishing line undergoes random te

andre [41]

Answer:

Option D) Yes, because the test statistic is -2.01

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 30 pound

Sample mean, $\bar{x}$ = 29.1 pounds

Sample size, n = 20

Alpha, α = 0.05

Sample standard deviation, s = 2 pounds

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 30\text{ pounds}\\H_A: \mu < 30\text{ pounds}$

We use one-tailed(left) t test to perform this hypothesis.

Formula:

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

Putting all the values, we have

$t_{stat} = \displaystyle\frac{29.1 - 30}{\frac{2}{\sqrt{20}} } = -2.012$

Now,

$t_{critical} \text{ at 0.05 level of significance, 19 degree of freedom } = -1.729$

Since,

$t_{stat} < t_{critical}$

We fail to accept the null hypothesis and reject it. We accept the alternate hypothesis. Thus, there were enough evidence to conclude that the fishing line breaks with an average force of less than 30 pounds.

Option D) Yes, because the test statistic is -2.01

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3 years ago

A phone company needs to know how high a cell tower is, so it decides to use a 2 m pole and shadows cast by the sun, as shown in

Jet001 [13]

Im not exactly sure but i think its about 12 inches

6 0

2 years ago

Can you help me plzs

Jlenok [28]

Answer:

164

Step-by-step explanation:

2x+7+5x+12=180

7x+19=180

7x+180-19

7x=171

---- ----

7 7

x=164

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3 years ago

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What are the solutions to the equation? x^3 - 8x^2 - x + 8 =0

kogti [31]

Answer:

Step-by-step explanation:

x^3 - 8x² - x + 8 =0

x^3 - 8x² - (x - 8 )=0

x²(x-8) - (x-8) = 0

(x-8)(x² -1) =0

x-8 = 0 or x² - 1 = 0

x-8=0 or (x-1)(x+1)=0

x=8 x=1 or x=-1

8 0

3 years ago

Read 2 more answers