Answer: c. -2.15
Step-by-step explanation:
As per given we have:
Null hypothesis : 
Alternative hypothesis : 
let p be the proportion of firms in the manufacturing sector offer child-care benefits
A random sample of 390 manufacturing firms is selected and 295 of them offered child-care benefits.
sample size : n= 390
sample proportion : 
Test statistic for proportion :
Substitute the values , we get
Hence, the value of test statistic = -2.15
Correct option is c. -2.15 .
5
y=6x-3
6
y=x+2
Mark brainliest please
Hope this helps you out
Answer:
Step-by-step explanation:
Answer:
3 15/17 hours
Step-by-step explanation:
Sue's rate of completion is ...
1/6 order per hour
Jim's rate of completion is ...
1/11 order per hour
Assuming they can appropriately divide the work, their total rate of completion will be ...
(1/6 + 1/11) = (11+6)/(66) = 17/66 . . . . order per hour
The time for one order is the inverse of that: 1/(17/66) ...
66/17 hours per order = 3 15/17 hours per order
Working together, it will take Sue and Jim 3 15/17 hours to fill the order.
So since these are similar all you need to do is creat a ratio for each rectangle.
X/20 is the first rectangle and 6/14 is second. Whichever edge you put on top for the first, you also need to for the second.
Now set them equal to each other and cross multiply.
X 6
__ = __
20 14
14x= 120
Now divide by 14 on both sides
14x= 120
__ ___
14 14
X=14/120
Now finally simplify. I’m dividing by two since it goes into both.
7/60 would then be your answer
