Answer:
=21+11x
Step-by-step explanation:
It is d- the function is a line
Answer:
- P(≥1 working) = 0.9936
- She raises her odds of completing the exam without failure by a factor of 13.5, from 11.5 : 1 to 155.25 : 1.
Step-by-step explanation:
1. Assuming the failure is in the calculator, not the operator, and the failures are independent, the probability of finishing with at least one working calculator is the complement of the probability that both will fail. That is ...
... P(≥1 working) = 1 - P(both fail) = 1 - P(fail)² = 1 - (1 - 0.92)² = 0.9936
2. The odds in favor of finishing an exam starting with only one calculator are 0.92 : 0.08 = 11.5 : 1.
If two calculators are brought to the exam, the odds in favor of at least one working calculator are 0.9936 : 0.0064 = 155.25 : 1.
This odds ratio is 155.25/11.5 = 13.5 times as good as the odds with only one calculator.
_____
My assessment is that there is significant gain from bringing a backup. (Personally, I might investigate why the probability of failure is so high. I have not had such bad luck with calculators, which makes me wonder if operator error is involved.)
Answer:
It is 20.74 and the fraction way it is 20 20/27
Answer:
tan 60 = √3
Step-by-step explanation:
using SOH CAH TOA
tan theta = opposite/adjacent
Let the side opposite to angle 60 degrees be x
Hence;
tan 30 = 5/x
x = 5/tan 30
x = 5/1/√3
x = 5√3
Get tan 60
tan 60 = 5√3/5
tan 60 = √3
