Answer:
fsdfd
Step-by-step explanation:
Answer:
1/2 half
Step-by-step explanation:
(1/3)/2 = 1/6
1/6 + 1/3 = 1/6 + 2/6 = 3/6 = 1/2
Answer:0.81
Step-by-step explanation:
A: Given teenager owns a skateboard. P(A) = 0.48
B: Given teenager owns roller blades. P(B) = ? - we dont know and dont need
AB: Given teenager owns a skateboard and roller blades. P(AB) = 0.39
P(B/A) = P(AB)/P(A) = 0.39/0.48 = 0.8125
The z-score for 2,500 g is –2.According to the empirical rule, 95% of babies have a birth weight of between 2,500 g and 4,500 g.5% of babies have a birth weight of less than 2,500 g or greater than 4,500 g.Normal distributions are symmetric, so 2.5% of babies weigh less than 2,500g.