Shawna makes a hit 30% of the time that she is at bat select the model that could be used to simulate the experiment probability that shawna will make a hit the next 20 times she is bat. for each, assume the simulation is performed 20 times. mark all that apply.
a. rolling two number cubes with 1-6 on and counting the times two 5s are rolled
b. having a bag with the digits 0-9 written on individual slips of paper and counting the times 7,8,or 9 is draw
c. using a spinner divided into 3 congruent sections, one labeled "hit",and counting the times the spinner lands on "hit"
d. having 10 index cards,3 of which are red, and counting the times when card is randomly selected from the stack
e. having a bag with 20 marbles, 6 of which are white, and counting the times when a white marble is randomly drawn from the bag

5.5

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

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