Answer:
1/10
3
Explanation:
probability of getting a 7 = 1 in 10 =1/10
if the total frequency of spins N= 30
then the expected number of occurrences =N×p=30×(1/10)=3
Answer: a) 1/10
b) 3
a) 7 is one number on the spinner meaning that out of 10 possibilities 7 is only one of them which give you 1/10.
b) If she spins it 30 more times this would give you the fraction of 3/30 since it relates to the first fraction.
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