Answer:
a. possible sample size is 10
b. mean is 3
c standard deviation is 0.9
Step-by-step explanation:
Mean of any given set of numbers is the "average" you're used to, where you add up all the numbers and then divide by the number of numbers.
Standard deviation is a measure of the amount of variation or dispersion of a set of values.
Go to attachment for detailed analysis.
Answer:
46
Step-by-step explanation:
44+x=90
x=46
Answer: 3/8
Step-by-step explanation: The probability of getting a tail is 1/2, then another tail, is 1/2×1/2, and then a head, is (1/2)^3. There are 3 ways to order this, so the 3/8 is the probability.
Round the factor of 2 to the nearest 10 then divide the 7 with the x for the two ninths
Answer:
<u>14.96</u>
Step-by-step explanation:
6*84p=504p
504p=£5.04
£20-£5.04=14.96