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prohojiy [21]
3 years ago
12

A local gymnasium is trying to find out what additional classes they should offer. They send out 50 surveys to a random selectio

n from all of their customers and follow up with phone calls to those that they don't get a response from. Is this a good way for the gym to collect data? A) No, they should send out surveys to all of their customers.
B) Yes, by randomly selecting them they will get a representative sample.
C) No, they should just survey the next 50 customers that come to the gym.
D) Yes, but they shouldn't follow up with phone calls. Just look at the ones
Mathematics
1 answer:
Alona [7]3 years ago
6 0

Answer:

I'm pretty sure the answer is B I hope it's right

Step-by-step explanation:

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I NEED HELP PLEASEE ASAP
tiny-mole [99]

Answer:

-5 and initial value is -1

Step-by-step explanation:

Slope= y2-y1/x-x1

-11-(-1)/2-0

-10/2

-5

Initial value is y-intercept where x is 0 (0,y)

so

(0,-1) is starting point

5 0
3 years ago
Calculate the pay for the following day of a weekly time card given a wage of $14/hr
xxTIMURxx [149]

Answer: $122.50

Step-by-step explanation:

We know the difference between the time the employee clocked in and clocked out = 1200 - 0800 = 4 hours

The next clock in and out = 17:30 - 12:45 = 4 hours, 45 minutes.

These times combined = 8 hours, 45 minutes

\frac{45}{60} minutes in an hour = \frac{3}{4} of an hour.

The total time worked was 8 \frac{3}{4} hours.

Multiply 8.75 × $14 = $122.50

I am not a professional, simply using prior knowledge.

Note- it would mean the world to me if you could mark me brainliest!

8 0
3 years ago
Sue scored a total of 35 points in two games. She scored 6 times as many points in the second game as in the first. How many mor
Nata [24]

x = points in first game

y = points in second game

6x=y   to make them equal multiply the first games points by 6

x+y=35    the points in both games

x +6x = 35   substitute for y  (y=6x)

7x=35   combine like terms

x=5

y=6x

y=6(5)

y=30 points

7 0
3 years ago
In the game of​ roulette, a player can place a ​$5 bet on the number 3 and have a startfraction 1 over 38 endfraction probabilit
Misha Larkins [42]
The expected value per game is -0.26.  Over 1000 games, you can expect to lose $263.16.

To find the expected value, we multiply the probability of winning by the amount of winnings, the probability of losing by the amount of loss, and adding those together.

We have a 1/38 chance of winning; 1/38(175) = $4.61.  We also have a 37/38 chance of losing; 37/38(5) = $4.87.

$4.61-$4.87 = -$0.26 (rounded)

To five decimal places, our answer is -0.26136; multiplied by 1000 games, this is $261.36 lost.
3 0
3 years ago
Point B is between points A and C. Find the length of AC if AB = 3x - 2, BC = 2x + 7 and AC = 4x + 10
kirill115 [55]

Answer:

AC = 30

Step-by-step explanation:

Start with:

4x+10=3x-2+2x+7

Combine like terms.

4x+10=5x+5

Subtract 4x from both sides of the equation.

10=x+5

Subtract 5 from both sides of the equation.

x = 5

Then, substitute 5 for x in AC=4x+10

AC=4(5)+10

Multiply.

AC=20+10

Finally, add.

AC=30

3 0
3 years ago
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