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3 years ago

A hypothesis test has a significance level of 10%. Explain what this significance level represents.

2 answers:

6 0

In statistical methods, the significance level is a value that is used as a criterion for rejecting a null hypothesis. It used by first looking at the differences between the experimental results and from there the null hypothesis would be determined. Then, we assume that the null hypothesis is true, the probability of the differences is computed by using statistical tools. If the computed probability is less than or equal to the value of the significance level, then you conclude that the null hypothesis should be rejected and that the results are statistically significant. Usually, a significance level of 1% or 5% is used.

Jobisdone [24]3 years ago

6 0

Answer:

The significance level determines the critical region of the hypothesis test. A significance level of 10% means that there is a 10% probability of rejecting the null hypothesis incorrectly.

Step-by-step explanation:

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Approximately 18% of the population of California is 70 years or older. In a random sample of 4, what is the provability for 3 o

Semmy [17]

Answer:

The correct response will be "0.01913".

Step-by-step explanation:

According to the question,

p - P(70 years or older)

= 0.18

n = 4

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Now,

∴ $P(X=r)=n_C_r \ p^r(1-p)^{n-r}$

∴ $P(X=3)=4_C_3(0.18)^3(1-0.18)^{4-3}$

$=4\times (0.18)^3(0.82)^1$

$=0.01913$

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3 years ago

What would be the steps in solving 2b + 3b = 3?

sweet-ann [11.9K]

The answer is $b=\frac{3}{5}$ .

Let's solve your equation step-by-step.

2b+3b=3

Step 1: Simplify both sides of the equation.

2b+3b=3

(2b+3b)=3(Combine Like Terms)

5b=3

Step 2: Divide both sides by 5.

5b/5=3/5

So, the answer is $b=\frac{3}{5}$ .

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3 years ago

As a contestant on a televised game show, Daniel gets to spin the big prize wheel, which has a diameter of 4 meters. What is the

shusha [124]

Area of a circle = pir^2
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3 years ago

No need for work just give me the answer please and thank you so much !!

ozzi

Answer:

x = 120 x =24

Step-by-step explanation:

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