Answer:
B. >
Step-by-step explanation:
Yes, you got it correct! Anything with a "-" is always less than a "+". Look at it this way:
I have 11 dollars (+11) and you owe me one dollar (-1). Now which is better?
Hope this helps
~R3VO
Answer:

Step-by-step explanation:
<em>Step 1: Define significance level</em>
In this hypothesis testing problem, significance levels α is selected:
, the associated z-value from Laplace table:
Φ(
) = α - 
=>
= 
<em>Step 2: Define null hypothesis (</em>
<em>) and alternative hypothesis (</em>
<em>)</em>
: rate of flu infection
= 8.3% or 8.3/100 = 0.083
: rate of flu infection
< 8.3% or 8.3/100 = 0.083
<em>Step 3: Apply the formula to check test statistic:</em>

with
is actual sampling percent,
is rate of flu infection of
,
is number of samples.
The null hypothesis will be rejected if 
<em>Step 4: Calculate the value of K and compare with </em>
We have 
=>This is good evidence to reject null hypothesis.
=> The actual rate is lower. (As
states)
Hope this helps!
:)
Answer:
Hight=7.04mt
Step-by-step explanation:
The area of a rectangle is the result of multiply two touching sides
Area=Length*Heght (1)
We have one its sides (2,6m).
The other side can be otained using the equation (1) where Area= 18.33 sqm
18.3sqm=2.6m* Height
Lets divide the whole expression by 2.6m
18.3 sqm / 2.6 m= 2.6m * Height
Hight=7.04mt
Answer:
39 and 35
Step-by-step explanation:
He can by 6 pens. 6.7 to be exact.
Hope this helps!!