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Mashutka [201]
3 years ago
7

Rosie wrote this expression to describe the amount she paid for each yoga class. 30 / m Which situation could be described by th

is expression?
A. Rosie knows that each yoga class costs $30. She doesn't know how many classes she bought.
B. Rosie knows that she paid $30 for one yoga class. She does not know the total amount she spent.
C. Rosie knows that she paid a total of $30 for the yoga classes. She doesn't know how many classes she's gone to so far.
D. Rosie knows that she paid a total of $30 for the yoga classes. She does not know how many classes she bought.
Mathematics
1 answer:
Ede4ka [16]3 years ago
3 0
The answer to your question is B
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2 years ago
Use the relative frequency approach to estimate the probability of the event. In a certain class of students, there are 8 boys f
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P\text{Student will be from Kenilworth}\approx 0.256

Step-by-step explanation:

We have been given that that there are 8 boys from Wilmette, 5 girls from Kenilworth, 9 girls from Wilmette, 5 boys from Glencoe, 5 boys from Kenilworth and 7 girls from Glenoce.

The total number of students from Kenilworth is 5 boys plus 5 girls that is 10 students.

The total number of students in the class would be 8+5+9+5+5+7=39

\text{Probability}=\frac{\text{Number of favorable outcomes}}{\text{Total number of possible outcomes}}

P\text{Student will be from Kenilworth}=\frac{\text{Number of student from Kenilworth}}{\text{Total number of students}}

P\text{Student will be from Kenilworth}=\frac{10}{39}

P\text{Student will be from Kenilworth}=0.2564102564

P\text{Student will be from Kenilworth}\approx 0.256

Therefore, the probability, that the student will be from Kenilworth, is approximately 0.256.

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Here is the answer to your question as This is the way I think it is solved

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