What value of t makes P(t) = 21? A. 1 B. 2 C. 3 D. 4
1 answer:
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Answer:
- Keep plugging in the points and see the ones that work, for example, (-1,7)
true, so select it
- Keep doing that for the rest of them , some like (3,15) won't work so you just have to keep testing each point.
Answer:
The sample size is
Step-by-step explanation:
From the question we are told that
The margin of error is E =4.266
The standard deviation is
From the question we are told the confidence level is 99% , hence the level of significance is
=>
Generally from the normal distribution table the critical value of is
Generally the sample size is mathematically represented as
=>
=>