Answer: a) 0.74, b) (0.70, 0.778)
Step-by-step explanation:
Since we have given that
Total number of chemical companies n = 500
Number of companies certified = 370
So, 
At 95% level of confidence, z = 1.96
So, interval would be
Hence, a) 0.74, b) (0.70, 0.778)
Answer:
212.79m
Step-by-step explanation:
A=L×W
A=24.6m×8.65m
A=212.79m
Answer:
Y=a*b^x
If xponent is a variable
Step-by-step explanation:
Here's the general formula for bacteria growth/decay problems
Af = Ai (e^kt)
where:
Af = Final amount
Ai = Initial amount
k = growth rate constant
<span>t = time
But there's another formula for a doubling problem.
</span>kt = ln(2)
So, Colby (1)
k1A = ln(2) / t
k1A = ln(2) / 2 = 0.34657 per hour.
So, Jaquan (2)
k2A = ln(2) / t
<span>k2A = ln(2) /3 = 0.23105 per hour.
</span>
We need to use the rate of Colby and Jaquan in order to get the final amount in 1 day or 24 hours.
Af1 = 50(e^0.34657(24))
Af1 = 204,800
Af2 = 204,800 = Ai2(e^0.23105(24))
<span>Af2 = 800</span>
