Answer:
Probability that a student who passed the test did not complete the homework = 0.07
Step-by-step explanation:
Given:
Total number of students = 28
Number of students who passed the test = 18
Number of students who completed the assignment = 23
Number of students who passed the test and also completed the assignment = 16
To find: probability that a student who passed the test did not complete the homework
Solution:
Probability refers to chances of occurrence of some event.
Probability = number of favorable outcomes/total number of outcomes
Let A denotes the event that students passed the test and B denotes the event that students completed the assignment
P(A only) = ![P(A)-P(A\cap B)](https://tex.z-dn.net/?f=P%28A%29-P%28A%5Ccap%20B%29)
Here,
![P(A)=\frac{18}{28}\,,\,P(A\cap B)=\frac{16}{28}](https://tex.z-dn.net/?f=P%28A%29%3D%5Cfrac%7B18%7D%7B28%7D%5C%2C%2C%5C%2CP%28A%5Ccap%20B%29%3D%5Cfrac%7B16%7D%7B28%7D)
So,
![P(A\,\,only)=\frac{18}{28}-\frac{16}{28}=\frac{2}{28}=\frac{1}{14}=0.07](https://tex.z-dn.net/?f=P%28A%5C%2C%5C%2Conly%29%3D%5Cfrac%7B18%7D%7B28%7D-%5Cfrac%7B16%7D%7B28%7D%3D%5Cfrac%7B2%7D%7B28%7D%3D%5Cfrac%7B1%7D%7B14%7D%3D0.07)
Therefore,
probability that a student who passed the test did not complete the homework = 0.07
<span>
</span>Calculate 3 x 5, which is 15.Since 15 is two-digit, we carry the first digit 1 to the next column.
Calculate 5 x 5, which is 25. Now add the carry digit of 1, which is 26.Since 26 is two-digit, we carry the first digit 2 to the next column.
Bring down the carry digit of 2.
<span>Therefore, 53 x 5 = 265.</span>
Answer:
13 and 11
Step-by-step explanation:
how is helpful
17/4 as a mixed fraction would be 4 1/4
Quarter =25 cents
One week =25*7
175 cents which is =1 dollar 75 cents