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77julia77 [94]
3 years ago
9

What is a simple way to tell that 1 1/2 is not the slope of this graph?

Mathematics
2 answers:
Galina-37 [17]3 years ago
6 0

Answer:

The second one

Step-by-step explanation:

N76 [4]3 years ago
3 0

Answer:

top right one

Step-by-step explanation:

got it right on IM

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After an extensive advertising campaign, the manager of a company expects the proportion of potential customers that recognize a
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Answer:

Step-by-step explanation:

Hello!

The study variable is:

X: number of customers that recognize a new product out of 120.

There are two possible recordable outcomes for this variable, the customer can either "recognize the new product" or " don't recognize the new product". The number of trials is fixed, assuming that each customer is independent of the others and the probability of success is the same for all customers, p= 0.6, then we can say this variable has a binomial distribution.

The sample proportion obtained is:

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Considering that the sample size is large enough (n≥30) you can apply the Central Limit Theorem and approximate the distribution of the sample proportion to normal: p' ≈ N(p;\sqrt{\frac{p(1-p)}{n} })

The other conditions for this approximation are also met: (n*p)≥5 and (n*q)≥5

The probability of getting the calculated sample proportion, or lower is:

P(X≤0.45)= P(Z≤\frac{0.45-0.6}{\sqrt{\frac{0.6*0.4}{120} } })= P(Z≤-3.35)= 0.000

This type of problem is for the sample proportion.

I hope this helps!

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2 years ago
ASAP <br> HELP<br> NEEDED<br> WITH<br> THIS<br> QUESTION
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