Answer:
Step-by-step explanation:
last one
Answer: 45
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Work Shown:
n = number of rolls = 150
p = probability of rolling a "1" = 0.3
n*p = expected number of "1"s that show up out of the 150 rolls
n*p = 150*0.3
n*p = 45
We expect about 45 ones will show up.
Answer:
67
Step-by-step explanation:
complementary mean it equals 90 degrees
90-23 = 67
m<2=67
