Use the slope formula to find the missing coordinate. r(0, _), s(-4, 2) m = 5
2 answers:
Answer: 22
Step-by-step explanation:
The slope of a line passing through two points (a,b) and (c,d) is given by :-
The given points : r(0, _), s(-4, 2)
Slope : m=5
let the missing coordinate be y.
Then , the slope of a line passing through two points r(0, y), s(-4, 2)is given by :-
Hence, the missing coordinate of r = 22.
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Answer:
The answer to the question is;
The probability that the resulting sample mean of nicotine content will be less than 0.89 is 0.1587 or 15.87 %.
Step-by-step explanation:
The mean of the distribution = 0.9 mg
The standard deviation of the sample = 0.1 mg
The size of the sample = 100
The mean of he sample = 0.89
The z score for sample mean is given by
where
X = Mean of the sample
μ = Mean of the population
σ = Standard deviation of the population
Therefore Z = = -1
From the standard probabilities table we have the probability for a z value of -1.0 = 0.1587
Therefore the probability that the resulting sample mean will be less than 0.89 = 0.1587 That is the probability that the mean is will be less than 0.89 is 15.87 % probability.