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zhenek [66]
2 years ago
7

A comedy club in New York City spent $4,250 to produce their first major show of the season. Tickets for the show will sell at $

55. Which of the following amounts of ticket sales would result in a profit for the club? Select all that apply.
=80 =89 =77 =none of the above
Mathematics
1 answer:
PtichkaEL [24]2 years ago
6 0

Answer:

80 or 89 would result in a profit for the club

Step-by-step explanation:

4250/55 = 77.27

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Maximum value if this parabola is 7 when x=6 giving the coordinate (6,7) so 7 is your answer
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3 years ago
The mean finish time for a yearly amateur auto race was 186.32 minutes with a standard deviation of 0.305 minute. The winning​ c
uranmaximum [27]

Complete Question

The mean finish time for a yearly amateur auto race was 186.94 minutes with a standard deviation of 0.305 minute. The winning car, driven by Roger, finished in 185.85 minutes. The previous year's race had a mean finishing time of 110.7 with a standard deviation of 0.115 minute. The winning car that year, driven by Karen, finished in 110.48 minutes.

Find their respective z-scores.

 Who had the more convincing victory?

A. Roger​ had a more convincing victory because of a higher z-score.

B. Karen a more convincing victory because of a higher z-score.

C. Roger had a more convincing victory, because of a lower z-score.

D. Karen a more convincing victory because of a lower z-score.

Answer:

The correct option is  D

Step-by-step explanation:

From the question we are told that

  The mean of the current year  is  \mu_c =  186.32 \  minutes

   The standard deviation is  \sigma_c  =  0.305 \  minutes

   The time taken by  the winning car for the current year  is  x =  185.85 \ minutes

  The mean of the previous  year  is  \mu_p =  110.7 \  minutes

   The standard deviation the previous  year  is  \sigma_p  = 0.115  \  minutes

 The time taken by  the winning car for the previous year  is  y =   110.48 \ minutes    

Generally the z-score for current year is mathematically evaluated as

     z_c  =  \frac{x- \mu_c}{\sigma_c }

=>     z_c  =  \frac{ 185.85- 186.32}{0.305 }

=> z_c  = -1.536

Generally the z-score for previous year is mathematically evaluated as

     z_p  =  \frac{y- \mu_p}{\sigma_p }

=>     z_p  =  \frac{ 110.48-110.7}{0.115  }

=> z_p  = -1.913

From the value obtained we see that  z_p  <  z_c , Hence  Karen had a more convincing victory because of the lower z -score.

5 0
2 years ago
Please help may have to turn your phone​
guapka [62]

Answer:

3

Step-by-step explanation:

median=middle number    3 is right in the middle because there is two numbers higher than it and two numbers lower than it

7 0
3 years ago
Evaluate. 5(-6) <br><br> Helppp
Nadusha1986 [10]

Step-by-step explanation:

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7 0
3 years ago
Question 5
Sveta_85 [38]

Answer:

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Step-by-step explanation:

Use the dot plot to make a list of the numbers it represents, sorted from smallest to largest.

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There are 23 numbers in this list. The median is the one in the middle, so there will be 11 numbers to the left of it and 11 to the right.

The median is 2

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