Answer:
f
Step-by-step explanation:
The value of alpha is 0.26, assuming a confidence level of 74%.
<h3>What is the margin of error?</h3>
The significance level α is the probability of making the wrong decision when the null hypothesis is true.
Alpha levels which is also called as significance levels are used in hypothesis tests.
Given
When finding the margin of error for the mean of a normally distributed population from a sample.
The confidence interval = 74% = 0.74.
The value of the alpha is given by;
Substitute all the values in the formula
Hence, the value of alpha is 0.26, assuming a confidence level of 74%.
To know more about confidence interval click the link given below.
brainly.com/question/26725727
Answer:
-S = 15
Step-by-step explanation:
You are asked to find the opposite of the given value.
<h3>Opposite</h3>
The opposite of an integer value is obtained by changing its sign.
S = -15
-S = -(-15) = 15
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<em>Additional comment</em>
Equivalently, you are multiplying by -1. The product of an even number of minus signs is a plus sign. We usually don't write the plus sign for a numerical value.
Answer:
5/6 is greater
Step-by-step explanation:
Divide each, and change to decimal:
5/6 = ~0.83
1/4 = 0.25
0.83 > 0.25 ∴ 5/6 is greater
~
Let length of original garden be x m. Then:-
(x + 7)^2 = 169
x + 7 = 13
x = 13-7 = 6m
Answer 6 m.