WILL MARK BRAINLIEST: If the ratio of students passing the last math test was 5 passing grades to 1 failing grade. How many of t
he 80 students passed the test?
1 answer:
Answer:
66
Step-by-step explanation:
I dont feel like explaining, it was a long process, but its right. Pls give brainiest.
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Answer:d
Step-by-step explanation:
For this Q:
mean=31
st.dev.=0.8
x=32
Calculate z-score:
z=(x-m)/s = (32-31)/0.8=1.25
This z-score value corresponding to the probability of 0.8944
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Answer:
Step-by-step explanation:
He scored 85%
(17/20)%
85%
Step-by-step explanation:
12:18
12 to 18
12/18 = 2/3
Answer:
The second one is correct.
