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Novosadov [1.4K]
3 years ago
11

To maximize the probability of rejecting the null hypothesis, use:

Mathematics
1 answer:
Anna71 [15]3 years ago
5 0

Answer:

a. high alphas, large samples, and one- tailed tests.

Step-by-step explanation:

In a hypothesis testing, we find out test statistic and also p value.

The p value if less than alpha, we reject null hypothesis.

p value for one tailed would be half of p value for two tailed.  So p being less than alpha is more in one tailed test.

Therefore, to reject the null hypothesis we must have p value less than our alpha.

If alpha is fixed high, the chances of rejecting the null hypothesis.

Similarly if one tailed is having p value less than two tailed, then chances of rejecting H0 are more.   If sample size is small, margin of error would be more thus rejection for null hypothesis becomes lower.

Hence correct answer is

a. high alphas, large samples, and one- tailed tests.

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What is the factor each expression of x2 - 2x
horrorfan [7]

Answer:

x(x - 2)

Step-by-step explanation:

x² - 2x ← factor out x from each term

= x(x - 2)

7 0
2 years ago
A bicycle wheel with diameter 16 inches rides over a screw in the street. the screw is on level ground before it punctures the b
weqwewe [10]

The height of the screw = 16 inches.

<h3>How do you determine the number of revolutions in a circle?</h3>

The total distance covered in one revolution will be equal to the perimeter of the wheel. Finally, to find the total number of revolutions, divide the total distance by distance covered in one revolution.

Given that,

Diameter of a bicycle = 16 inches

The distance the bike moves (forward) after the screw punctures the tire = 56π inches

We note that the circumference of the bicycle = π·D = π × 16 = 16π inches

Therefore,

\frac{56\pi }{16\pi } = 3.5

Showing that the bicycle moves three and half complete turns (revolution) where after each complete turn, the screw starts from the bottom of the tire.

The height, h of the screw in the final half turn is given by the relation;

h = A cos(Bx - C) + D

Where

A = Amplitude of the motion = Diameter/2 = 16/2 = 8

P = The period of the motion 2π/B

Bx = The angle described by the motion = Half of one revolution = π = 180°

C = Phase shift = π

D = The mid line = Diameter/2 = 8 inches

Therefore;

h = 8×cos(π - π) + 8 = 16 inches

Hence, After the bike moves forward another 56π inches the height of the screw = 16 inches.

To learn more about number of revolution from the given link:

brainly.com/question/17266654

#SPJ4

8 0
2 years ago
How to slove 3/5(2.4)
Oduvanchick [21]
3 / 5 * 2.4 = 0.6 * 2.4 = 1.44
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3 years ago
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Using the given equation of,
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By factoring,
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Eliminating terms appearing in both the denominator and numerator,
                           V = (x)(2x -5)(6x)
3 0
3 years ago
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Michael decided to put some money in the stock market. He checks at the end of each day to see if the value of the stock has inc
serg [7]
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I’m sorry but idk B
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