Answer:
4 boys
Step-by-step explanation:
3 × y = 1 × 12
3y = 12
3y ÷ 3 = 12 ÷ 3
y = 4
Step-by-step explanation:
Confidence interval = 90% = 0.90.
1 - 0.90 = 0.10
Mean of 15 batch:
724+718+776+760+745+759+795+756+742+740+761+749+739+747+742 = 11253/15
= 750.2
Mean of second batch:
735+775+729+755+783+760+738+780
= 6055/8
= 756.875
Sd = 20
Z-alpha/2 = 1.64
= (750.2-756.875)-1.64*√20²/15 + 20²/8
= -21.0348
(750.2-756.875)+1.64*√20²/15 + 20²/8
= 7.68
2. The upper limit of the interval is less than 10 so in conclusion the difference in mean batch viscosity is about 10 or less than 10
Answer:
n = -10.8
Step-by-step explanation:
Assuming you want to solve for n, all you have to do is isolate the variable by multiplying by both sides of the equation by four. This would leave you with n = -10.8
Answer: 0.438
Explanation: just divide 7 by 16 then round
Yes it is possible because:
at 2:30 PM the crime occurred but they went 12 miles away in 18 minutes to a gas station is possible (it wouldn’t be if they had to walk probably) but if they drove a car it is entirely possible