Question

Help me please i need help​

Answer 1

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 2

Answer: a) 1/10

b) 3

Explanation:

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.