Answer:4.55,0.47
Step-by-step explanation:
Given height varies from 3.6 feet to 5.5 feet for 95% student
i.e.
95% data falls in the interval of (\mu -2\sigma ,\mu +2\sigma )
So
-----------(1)
-----------(2)
Solving (1)&(2) we get
Thus mean=4.55
And standard deviation=0.47
Answer:
b
Step-by-step explanation:
88= 2l + 2w
l=3w
88=2(3w)+2w
88= 6w+2w
88=8w
w=11
l=3(11)
l=33
width= 11
length= 33
Is the answer 25? I'd like to buy a vowel for 50 please?
Answer:
i think 1/300
Step-by-step explanation: