Answer:
19. 13 20. 9 21. 12 22. 21
Step-by-step explanation:
Answer:
25%
Step-by-step explanation:
Answer:
No
Step-by-step explanation:
This relation is a function because the x values have a repeating number (15).
Answer:
666
Step-by-step explanation:
From this question,
a = 1-99%
a = 1-0.99
a = 0.01
5% = z(0.05) = 2.58 when we check the standard normal table
Therefore we calculate n as:
n = (z/E)²*p*1-p
Z = 2.58
E = 0.05
P = 0.5
1-p = 0.5
(2.58/0.05)²x0.5x0.5
= 51.6²x0.5x0.5
= 665.64
Therefore n is approximately 666.
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