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:
20bags+$30
Step-by-step explanation:
Answer:
So the answer is 2 meters
Step-by-step explanation:
So it's easy all you have to do is multiply 25
x 80
_____
2,000/1,000=2
The reason I divided by 1,000 is because it says you need to convert it to meters instead of just millimeters.
Answer:
-88/85
Step-by-step explanation:
2 14/49=112/49
7 3/85=598/85
3 35/49=182/49
------------------------
112/49-(598/85-182/49)
112/49-1976/595
-88/85
Answer:
-10 if you meant 1/4(8-4p)
-20 if you meant 1/4{(8-4p)+2p}
Step-by-step explanation:
