Rebeckah answered 42 of the 60 questions correctly on a test. Which method should she use to find the percent of questions she a
2 answers:
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Answer:
After 5 minutes, the BAC was increasing at the rate of 0.0137 mg/mL a minute.
Step-by-step explanation:
The average blood alcohol concentration (bac) is modeled by the following function.
In which t is measured in minuted.
How rapidly was the BAC increasing after 5 minutes?
This is c'(t) when t = 5.
Using the derivative of the product.
Derivative of the product:
In which problem:
So
After 5 minutes, the BAC was increasing at the rate of 0.0137 mg/mL a minute.
Answer: 0.0668
Step-by-step explanation:
Given: Mean :
Standard deviation :
The formula to calculate z-score is given by :_
For x= 4 minutes , we have
The P-value =
Hence, the probability that on a given run, the time will be 4 minutes or less = 0.0668