Harvey porter is a wizard .He waved his wand and made a grain of sand that had a diameter of 0.00002m growth to a diameter 0.006
1 answer:
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Answer:
<u>Step-by-step explanation:</u>
cos x tan x - cos x = 0
cos x (tan x - 1) = 0
cos x = 0 tan x - 1 = 0
tan x = 1
Answer:
The result is significant.
Step-by-step explanation:
Here,
p = 30 ÷ 330 = 0.091
thus, q = 1 - p = 0.909
Also,
⇒
The z-score is:
Thus, at 95% confidence interval, p-value = 0.005
The result is significant at p < .05.