The test statistic based on the probability illustrated is -2.57.
<h3>How to calculate the probability?</h3>
The basic training is given as 103 hours. The variance is also given as 9.
The test statistic will be:
= (102 - 104/3/✓60)
= -1/(3/7.7)
= -2.57.
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Step-by-step explanation:
tan = opp/adj
tan B = x/y
hope this helps
Answer:
x = -9/2
Step-by-step explanation:
1. Divide 9 by -1/3:
÷
=
· 
= -27
2. Divide both sides by 2:
2(x - 9) = -27

(x - 9) = 
3. Add 9 to both sides:
x = 
(or 4.5 if you need it in decimal form)
hope this helps!
Answer:c Tabitha, because she has a higher median time spent
Step-by-step explanation: