Answer:
here
Step-by-step explanation:
Answer:
Answer: C
Step-by-step explanation:
Start with 20.50 then subtract 4.00. then, keep subtracting 2.75
Answer:
Test is Left tailed test
Parameter tested is standard deviation
Step-by-step explanation:
We are given the hypothesis as;
Null hypothesis; H0: σ = 8.6
Alternative hypothesis; H1: σ < 8.6
Where;σ is a constant generally known in statistics as the standard deviation.
Now, it's the alternative hypothesis that will let us know whether this is left tailed, right tailed or two tailed.
Alternative hypothesis says σ < 8.6.
This means that the values of σ that satisfy this hypothesis are less than 8.6 and thus are on the left hand side of 8.6 on a number line. Thus, the shaded region in a normal distribution curve will be on the left.
Thus, it's a left tailed test
Answer:
10
Step-by-step explanation:
its easy just add your two numbers
<h2>
Answer:</h2>
s = 18°
<h2>
Step-by-step explanation:</h2>
The figure has been re-labelled to show additional information and description and has been attached to this response.
As shown in the figure, line AB is a straight line.
The angles on the straight line are <em>6s + 2</em> and <em>4s - 2</em>
<em></em>
Since the sum of angles on a straight line is 180°, it therefore implies that;
<em>6s + 2</em> + <em>4s - 2 = 180°</em>
<em></em>
<em>Solve for s by collecting like terms and simplifying</em>
6s + 4s + 2 - 2 = 180
6s + 4s = 180
10s = 180
s = 18°
Therefore, the value of s is 18°