annapittbull12
30.10.2020 •
Mathematics
What is the slope of the line?
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Ответ:
Ответ:
15
Step-by-step explanation:
Its y2 - y1 over x2-x1
Ответ:
as probability of this is higher than 0.05 level this is not significantly high number .
Step-by-step explanation:
we have here a binomial distribution with the following data:
p = 0.76 and n = 8
therefore probability that a least 7 of the 8 adults require eyesight correction is P (X> = 7)
P (X> = 7) = P (X = 7) + P (X = 8) = nCr * (p) ^ (n) * (1-p) ^ (n-r)
= (8C7) * (0.76) ^ 8 * (0.24) ^ (8-7) + (8C8) * (0.76) ^ 8 * (0.24) ^ (8-8)
nCr = n! / (r! * (n-r)!
replacing:
(8C7) = 8! / (7! * (8-7)!) = 8
(8C8) = 8! / (8! * (8-8)!) = 1
P (X> = 7) = 8 * 0.0267 + 1 * 0.11130 = 0.325
as probability of this is higher than 0.05 level this is not significantly high number .