During 20 spins, a spinner landed on red 5 times. If you spin the spinner once, what is the
1 answer:
Answer:
0.25 (
or 25%)
Explanation:
5 is 25% of 20, so the Red sector has a 25% chance of being landed on!
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Answer:
given
n=9
a=1
d=3-1=2
Step-by-step explanation:
now , by formula,
sn = n/2(2a+(n-1)d)
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=81
