Answer:
20.78
Step-by-step explanation:
sin a = perpendicular/ hypotenuse
where a is the base angle
here a = 60
sin 60 = 18/ x
since,
√3 x = 36
x = 36/ √3
x = 36/ 1.732
x = 20.78
A statistics professor drew a random sample of 81 observations and found that x with bar on top equals 62 s equals 15. Estimate
1 answer:
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multiplying both the sides by 2
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