amberchule9681

15.04.2020 • 

Mathematics

After an extensive advertising campaign, the manager of a company wants to estimate the proportion of potential customers that recognize a new product. She samples 120 potential consumers and finds that 54 recognize this product. She uses this sample information to obtain a 95% confidence interval that goes from 0.36 to 0.54.

1. True or False: Referring to Problem A, the manager wants to know the value of the population so the manager uses the sample to estimate the population proportion.

a. True
b. False

2. True or False: Referring to Problem A, point estimate of the population proportion is = 0.45.

a. True
b. False

3. Referring to problem A, the sample proportion is = 0.45.

a. True
b. False

4. Referring to Problem A, the manager wants to know the value for the population so the manager uses the sample to estimate the population value

a. True
b. False

5. Referring to Problem A, the parameter of interest is 54/120 = 0.45.

a. True
b. False

Ответ:

keem3247

09.04.2022

Mathematics

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Let's check your answer. To do this, you would simply plug your answer into the equation and see if it works. 
5(y - 3) - 2 (3 - 2y) = 6
5(3 - 3) - 2(3 - 2 × 3) = 6

The equation works! 

Y = 3

Great work!

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