For this Q:
mean=31
st.dev.=0.8
x=32
Calculate z-score:
z=(x-m)/s = (32-31)/0.8=1.25
This z-score value corresponding to the probability of 0.8944
<span />
Answer:
15 boys in 3 groups
15 girls in 4 groups
Step-by-step explanation:
60 ÷ 4 = 15
45 ÷ 3 = 15
Have an awesome day! :D
Answer:
1.05
Step-by-step explanation:
number starts as .105
slide the decimal over 1 space
1.05
Answer:
5.5 ft
Step-by-step explanation:
therefore if you cut 11 in half you get 5.5
F(x) = 3x - 2
f(8) = 3(8) - 2
f(8) = 24 - 2
f(8) = 22
f(-5) = 3(-5) - 2
f(-5) = -15 - 2
f(-5) = -17
f(8) - f(-5) = 22 - (-17)
f(8) - f(-5) = 39
Hope this helped! Good luck! :)