Which statement is true about the graft function?
2 answers:
Answer:
Last option
over the interval (-∞, -4)
Step-by-step explanation:
Note that from -∞ to -4 the function F has a positive value, the graph is above the x-axis. So the first statement is false and the last is true.
over the interval (-∞, -4)
Then, from the function F is negative.
. But for
,
.
Therefore the second and third statements are false.
<em>The only true statement is the last option</em>
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Using a t-distribution calculator and finding the p-value, the correct option regarding the conclusion is given by:
a) the p-value is 0.02. We reject h0 at the 5% significance level because the p-value 0.02 is less than 0.05.
<h3>What is the relation between the p-value and the conclusion?</h3>It also involves the significance level, as follows.
- If the p-value is less than the significance level, we reject the null hypothesis
.
- If it is more, we do not reject.
In this problem, a t-distribution calculator for a right-tailed with <em>t = 2.15 and 25 - 1 = 24 df</em> is used to find a p-value of 0.02.
It is less than 0.05, hence option a is correct.
More can be learned about p-values at brainly.com/question/26454209
Answer:
Step-by-step explanation:
50 - x² = 0
50 = x²
x² = 50
x = √50