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Answer:
Step-by-step explanation:
Because sine = opposite over hypotenuse, simply multiply both sides by the hypotenuse to get:
hypotenuse * sinθ = opposite
Do the same thing with cos to get:
hypotenuse * cosθ = adjacent
Hope it helps :) and let me know if you want me to elaborate.
Answer:
Explanation has been given below
Step-by-step explanation:
hope fully it may concern with 70% adults then
p = 0.77
randomly select = 6
then mean will be
mean = n * p = 6*0.77=4.62
To get variance np (1-p)
then putting values we get
np (1-p) = 4.62 *0.23 = 1.0626
taking square root we get
sd = 1.03
Most samples of 6 adults would differ from the mean by no more than 1 sd
mean is differ by no more than 2 sds .
In a real-life situation, it is expected that 4 or 5 of 6 to think it is a problem.
I would not expect 0, 1, or 2.