Caleb surveyed students in his high school and asked them to name their favorite kind of music. the results are shown below.
music
probability
rock
50%
country
30%
hip hop
10%
classical
10%
he wants to design a simulation to estimate the probability that a randomly chosen student will choose a certain type of music as their favorite. he assigns the numbers 0–9 to the music categories and uses a random number generator on his calculator. which set of numbers could be used to represent rock music?
a.) 0, 1, 2, 3, 4
b.) 0, 1, 2, 3, 4, 5
c.) 1, 2, 3, 4, 5, 6
d.) 1, 2, 3, 4

the least common denominatore of 7 and 2 is 9

step-by-step explanation:

7+2=9

answer: just subtact the units and then add the non negative : happy to

step-by-step explanation:

answer:

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

explanation:

service only with 20% tip  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

in the opening of the question the word 'service' is associated only with the pretax value.

the closing part of the question asks: how much did she pay for the  

service

−−−−−−  

so technically the answer is  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

however, the intention of the question provider may have been that your answer is to be  

$

87.12

(

1

+

8

100

)

=

$

94.09

to 2 decimal places.

'

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

tony b

mar 21, 2017

answer:

trying to explain it another way

explanation:

service charge  

.

→

$

72.60

20% tip  

20

100

×

$

72.60

=

$

14.52

−−−−−−  

←

add

$

87.12

tax  

8

100

×

$

87.12

=

$

6.97

−−−−−  

←

add

$

94.09

related questions

rick would give her the best deal as he will charge $8.88 per hour