I think the group 2 survey is likely to be biased towards people who are not too keen on zoos since all the values are small.
From group 1 and 3 the mean number of visits are
(4 + 10 + 6 + 3 + 8 + 7 + 9 + 3 + 4 + 7) / 10
= 61/10
mean = 6
Answer: 20
Step-by-step explanation:
all you need to do is substitute the variables into the given expression, y-5b would turn into 5-5(-3) then you solve and you get 5-(-15) = 5+15 = 20, so youre answer is 20
hdhehdhdydhegsydhevegegegdydhd the answer is B
Answer:
Let X be the number of times a Dice rolls 4.
Expected value is 96/6 = 16.
Step-by-step explanation:
Answer:
The answer is 1.2
Step-by-step explanation:
u add 2.2 and 1.2 which you get 3.4. The difference is 1.2.