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3 years ago

13

Suppose there are 1,000 total sales representatives in the midwest and northeast regions, with 500 sales re

1 answer:

Maru [420]3 years ago

4 0

Making 20 groups of 10 is the sampling strategy that can be used to select 200 sales representatives.

What is sampling?

Sampling is the phrase used to describe a statistical procedure in which a predetermined number of observations are chosen from a larger population. More precisely, sampling can be described as the process of choosing a portion of a statistical population in order to estimate the characteristics of the entire population. Samples that are representative of the population under study are sought for by statisticians.

Making 20 groups of 10 is the most effective way of sampling that can be employed here for the sales director to incorporate 200 sales representatives in this situation, with an equal amount of representatives from each region.

Learn more about sampling here:

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At a local fitness center members pay a a $ 14 membership fee and $ 2 for each aerobics class. Nonmembers pay $ 4 for each aerob

mestny [16]

14+2x=4x: divide 2x on each side

14=2x: divide by 2

7=x

7

8 0

3 years ago

Given f(x)=2x2−5x−3 and g(x)=2x2+x .<br> What is (fg)(x) ?

gizmo_the_mogwai [7]

Answer:

fourth option

Step-by-step explanation:

note that ( $\frac{f}{g}$ )(x)x) = $\frac{f(x)}{g(x)}$

$\frac{f(x)}{g(x)}$ = $\frac{2x^2-5x-3}{2x^2+x}$ ← factorise numerator/ denominator

= $\frac{(x-3)(2x+1)}{x(2x+1)}$ ← cancel the common factor (2x + 1)

= $\frac{x-3}{x}$ where x ≠ 0, - $\frac{1}{2}$

4 0

3 years ago

F (x)= -3x+10 and g (x) = x^2-7x<br> f(-5)=<br> g(2)=<br> f(4m)=

pav-90 [236]

we have f (x)= -3x + 10

so f(-5)= (-3)(-5) +10 = 15 + 10 = 25

we have g (x) = x^2 - 7x

so g(2)= 2^2 - 7.2 = 4 - 14 = -10

we have f (x)= -3x + 10

so f(4m)= -3(4m)+10 = -12m + 10

ok done. Thank to me :>

7 0

3 years ago

The temperature on a mountain peak was 7 degreesFahrenheit (F) at 6:00 p.m. By 8:00 p.m., thetemperature had dropped to 0F. If t

VashaNatasha [74]

Given:

The temperature on a mountain peak was 7°F at 6:00 p.m.

By 8:00 p.m., the temperature had dropped to 0°F.

To find:

The temperature at 11:00 p.m. if the temperature continued to drop at about the same rate.

Solution:

Time between 6:00 p.m. to 8:00 p.m. is 2 hours.

Change in temperature in 2 hours is -7°F.

Change in temperature in 1 hours is $-\dfrac{7}{2}^\circ$ F.

Time between 8:00 p.m. to 11:00 p.m. is 3 hours.

Change in temperature in 3 hours is $3\times \dfrac{-7}{2}^\circ$ F, i.e., $-\dfrac{21}{2}^\circ$ F.

Now, the temperature at 11:00 p.m is:

$0-\dfrac{21}{2}=-10.5$

Therefore, the temperature at 11:00 p.m. is -10.5°F.

Note: All options are incorrect.

6 0

3 years ago

An article sells for $415.80. You wish to discount it by 20%. At what price will you offer it after the discount?

Oksana_A [137]

Well, $415.80 is the 100% price.
If we want 20% off of this price, we would need the 80% value of $415.80

80% of 415.80 = $332.64

Hope this helps!

4 0

4 years ago

Read 2 more answers