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Mandarinka [93]
3 years ago
12

A florist sold bouquets of red roses to 15 of the first 20 customers who came into his shop. What is the experimental probabilit

y that a random customer in that group bought a bouquet of red roses
Mathematics
1 answer:
Oksanka [162]3 years ago
7 0
In fraction that would be 3/4 because 15/20 simplified would be three quarters. 
If thats not the answer, message me back and I will go out of my way to figure out the correct one. Thats my policy :)
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A theme park had 1099 visitors in 3 days.There were twice as many visitors on saturday than on Friday.There were 234 more visito
Blababa [14]

Answer: there were 692 visitors on Saturday.

Step-by-step explanation:

Let x represent the number of visitors that were there on Friday.

Let y represent the number of visitors that were there on Saturday.

Let z represent the number of visitors that were there on Sunday.

The theme park had 1099 visitors in 3 days. It means that

x + y + z = 1099- - - - - - - - - - - - - -1

There were twice as many visitors on saturday than on Friday. This means that

y = 2x

x = y/2

There were 234 more visitors on Sunday than on Saturday. This means that

z = y + 234

Substituting x = y/2 and z = y + 234 into equation 1, it becomes

y/2 + y + y + 234 = 1099

Cross multiplying by 2, it becomes

y + 2y + 2y + 468 = 2198

5y = 2198 - 468

5y = 1730

x = 1730/5

x = 346

y = 2x = 2 × 346

y = 692

z = y + 234 = 692 + 234

z = 926

3 0
3 years ago
A shipment to a warehouse consists of 4 large boxes weighing 18 1/2 pounds each, 2 medium boxes weighing 6 3/4 pounds each, and
VashaNatasha [74]

Answer:

99.75lbs.

Step-by-step explanation:

4 x 18.5=    74lbs

2  x6.75= 13.5

14x 7/8 =98/8=12.25

3 0
3 years ago
Which of the following is the standard form of the equation 5x2 - 20x = 15?
Finger [1]

x= +7 or x=2-7 let me know if you need an explanation <3
5 0
2 years ago
A researcher was interested in utilities provided by city governments. The researcher randomly selected 20 counties from a list
DaniilM [7]

Answer:

1. The population of interest is all city goverments in the U.S.

5. The parameter of interest is the proportion of the city goverments in the U.S. that provide electricity to their residents.

Step-by-step explanation:

Hello!

Missing questions:

Which of the following is true? Select all that apply.

  1. The population of interest is all city governments in the U.S.
  2. The population of interest is the 192 cities.
  3. The population of interest is all city governments that provide utilities to their residents.
  4. The population of interest is 6.25%
  5. The parameter of interest is the proportion of the city governments in the U.S. that provide electricity to their residents.
  6. The parameter of interest is 6.25%
  7. The population of interest is the 20 counties.
  8. The parameter of interest is the list of all counties in the U.S.

The objective of this essay is to test utilities provided by city governments, for this a sample of 20 counties was taken then contacted each city of them counting how many of them provided utilities to their residents, finding out that 12 out of 192 cities (6.25%) provided electricity to their residents.

The study variable is:

X: Number of city governments that provide utilities (electricity) to their residents, in a sample of 192.

The population of the study is the city governments in the U.S.

And the parameter of interest is the population proportion of city governments in the U.S. that provide electricity to their residents.

I hope it helps!

4 0
3 years ago
If the diagonals of a parallelogram are congruent and are perpendicular bisectors of each other than what is it
alexira [117]
The parallelogram is a square
5 0
3 years ago
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