Identify a pattern and find the next number in the pattern.

1 answer:

7 0

Well you didnt list a pattern so if you need to learn a pattern how about maybe..

3 6 9 12 15

Adds 3 every time

9, 4.5, 2.25, 1.125

Divides 2 everytime

Just do the opposite of whatever mathematic system youre using to find the pattern.

Like maybe add 4.5+4.5 and it would be 9. Like
It would turn into a whole new equation

Find for 9.
or find for 6.

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1. (Sec. 6.1) In a random sample of 80 components of a certain type, 12 are found to be defective. (a) Give a point estimate for

denis-greek [22]

Answer:

(a) 0.85

(b) 0.7225

Step-by-step explanation:

(a) The point estimate for the proportion of all such components that are not defective is given by the number of non-defective units in the sample divided by the sample size:

$p=\frac{80-12}{80}\\p=0.85$

The proportion is 0.85.

(b) Assuming that the sample is large enough to accurately provide a point estimate for the whole population, this can be treated as a binomial model with probability of success (non-defective part) p = 0.85. Since both components must be non-defective for the system to work, the probability of two successes in two trials is:

$P(x=2) = 0.85^2\\P(x=2) = 0.7225$