autumng7518
07.12.2020 •
Mathematics
One in four adults is currently on a diet. In a random sample of eight adults, what is the probability that the number on a diet is:
➣ At least 3?
➣ More than 3?
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Ответ:
Step-by-step explanation:
it is a right angled triangle
You use trigonometric identity
you have opposite and hypotenuse, you use sine
sine x = 17/19
sine x = 0.894736842105
x = arc sin (0.894736842105)
x = 63.474647983357
63.5 approximately