Answer:

Step-by-step explanation:

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Tags: <em>sine sin common angles trig trigonometry </em>
Answer:

Step-by-step explanation:
Given data :
Sample standard deviation, s = 15
Sample mean, 
n = 23
a). 98% confidence interval




∴ 

So, 98% CI is



Answer:
Step-by-step explanation:
2/6(50)
because 2 of the 6 is greater than 4
with 50 rolls