Mr. Smith recorded how many students were wearing white chiefs and how many were wearing non-white shirts. He put the data into
a two- way frequency table.
What is the probability that a randomly selected will wear a non-white shirt??
A. 11/16
B. 8/28
C. 12/28
D. 19/28
What is the probability that a randomly selected will wear a non-white shirt??
A. 11/16
B. 8/28
C. 12/28
D. 19/28
2 answers:
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Answer:
40%
Step-by-step explanation:
Let x = numerator
Let y = denominator
Decreased by 30% = 100% - 30% = 70% = 70/100 = 0.7
Decreased by 50% = 100% - 50% = 50% = 50/100 = 0.5
1.4 as a percentage = 1.4 x 100 = 140%
Therefore, the percentage increase is 140 - 100 = 40%