Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation i
s 5 inches. The heights of 9 randomly selected students are 66, 71, 63, 74, 69, 64, 66, 68 and 67.
2 answers:
Answer:
66
Step-by-step explanation:
try your best
Answer:
The mean is about 68 (67.5555)
Step-by-step explanation:
(63+64+66+66+67+68+69+71+74) / 9 ≈ 68
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Step-by-step explanation:
20%=cows 0.4(40%)=goat 40%=sheep
if 40%sheep=40 sheeps
20% cow=x
20%×40=40%×x
8=40%x
x=8/40%
x=20
..so there are 20 cows
sorry...not sure
Answer:
Heres ur answer m=-4
Answer:
good for them
Step-by-step explanation:
i need more of the problem though
