Nina babysits on weekends for extra money. The function f(t) is equal to how much money she earns after babysitting t hours. On
Friday night, f(4)=60. How many hours did Nina babysit on Friday night?
2 answers:
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Answer: 0.8313
Step-by-step explanation:
As per given we have,
Also, the distribution of the number of suitcases that get lost each week on a certain route is approximately normal.
Since ,
z-score corresponds to x= 10:
z-score corresponds to x= 20:
P-value =
Hence, the probability that during a given week the airline will lose between 10 and 20 suitcases = 0.8313
