True or FalseThe farther the 2-statistic is from 0, the more the null hypothesis is discredited.

Answers

Answer 1

Answer:

Answer:

it is true

Step-by-step explanation:

A test statistic compares our observed outcome to the alternative hypothesis. If the null hypothesis is true, then the teststatistic will be close to 0. Therefore, the farther the test statistic is from 0, the more the null hypothesis is discredited.

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The percent of fat calories that a person consumes each day is normally distributed with a mean of 37 and a standard deviation of 10. Suppose that 16 individuals are randomly chosen. Let X = average percent of fat calories. (a) For the group of 16, find the probability that the average percent of fat calories consumed is more than forty. (Round your answer to four decimal places.) 0.382 b) Find the first quartile for the average percent of fat calories. (Round your answer to two decimal places.) 30.25 percent of fat calories

Pls help I will fail 10th grade

Answers

Answer:

Step-by-step explanation:

Please mark brainiest

HELP!! If you give me the answers, I’ll give you 100 points!!

Answers

Answer:

102

75%

25%

Step-by-step explanation:

In a box plot,

There are 5 values:

Min (38)

Q1 (72)

Q2 (88)

Q3 (96)

Max (102)

Between 2 consecutive quartiles, there's 25% data

Above 72 is ¾ data

¾ × 100 = 75%

Between 88 and 96, is ¼ data

¼ × 100 = 25%

A sample survey contacted an SRS of 2854 registered voters shortly before the 2012 presidential election and asked respondents whom they planned to vote for. Election results show that 51% of registered voters voted for Barack Obama. We will see later that in this situation the proportion of the sample who planned to vote for Barack Obama (call this proportion V) has approximately the Normal distribution with mean μ 0.52 and standard deviation σ = 0.009. (a) If the respondents answer truthfully, what is P (0.5くV < 0.54)? This is the probability that the sample proportion v estimates the population proportion 0.52 within plus or minus 0.02.
P (0.5<= V <=0.54) (±0.0001)=

(b) In fact, 50% of the respondents said they planned to vote for Barack Obama V = 0.5. If respondents answer truthfully, What is P(V <=0.5)?
P (V <=0.5) (±0.0001) =

Answers

Answer:

a) 97.37%

b) 1.31%

Step-by-step explanation:

Here we want to calculate the area under the Normal curve with mean 0.52 and standard deviation 0.009 between 0.5 and 0.54

This can be easily done with a spreadsheet and we get

P (0.5くV < 0.54) = 0.9737 or 97.37%

(See picture 1)

Here we want the area under the Normal curve with mean 0.52 and standard deviation 0.009 to the left of 0.5.

P(V ≤ 0.5) = 0.0131 or 1.31%

(See picture 2)

9s − 5 s = 8 knnnkjbkbbhjhghuj

Answers

9*8=72

72-5=67

The final answer is 67.

Please mark Brainliest

Thank you

A circle has a radias of 12in. The diameter of the circle is _____in. In order to find the area of the circle, use the formula ____ The area of the circle is ____Thanks

Answers

Answer:

Step-by-step explanation:

The diameter of the circle is twice the radius, so the diameter of the circle is 2 x 12 inches = 24 inches.

To find the area of the circle, we can use the formula A = πr^2, where A is the area of the circle and r is the radius.

So, for this circle, A = π(12 inches)^2 = 144π square inches.

Therefore, the diameter of the circle is 24 inches, the formula to find the area of the circle is A = πr^2, and the area of the circle is 144π square inches.

Answer: 144 pie square inches!

Step-by-step explanation:

1st blank : is 24 square inches since the radius which is half the diameter is 12 square inches we can easily know that the diameter would be 24 square inches!

2nd blank : pie r squared is the formula! for all areas of the circles! the total length in other words the circumference of the circle would be 2 pie r basically multiplying 2 and pie and the radius.

3rd blank : the area of the circle is 144 pie (square inches)!

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Find: (g∘f)(x)