Answer: 12.83
Explanation:
The mean is the average of a data set. So, in order to find the mean, we have to add all he values and in this case, we got 77. Then we divide 77 by he number of values we have, which results in 12.83. Therefore, the mean of these numbers are 12.83.
Answer:
x = 6
Step-by-step explanation:
The probability that this archer hits her first shot is given by t the probability of being windy and that she hits the shot added to the probability of not being windy and that she hits the shot:

If the probability that she hits the target on her first shot is 0.x1, the value of x is:

(13*13) + (28*28) = 953
square root = 30.8706…
31cm
Answer: Use a random number generator ranging from 1 to 10 and assign 1 through 4 as the prize and 5 through 10 as no prize.
Step-by-step explanation:
I just did the i-ready lesson, here you go mate! ^-^
3/2 = 2q
q = 3/2 ÷ 2
q = 3/2 × 1/2
q = 3/4