What is 1x1 ande 1x2 1x3 1x4 1x5 1x6 1x7 1x8 1x9 1x10
2 answers:
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Answer:
The probability that a man in this age category does NOT die of cancer during the course of the year is 0.997.
Step-by-step explanation:
Suppose the probability of an event occurring is .
The probability of the given event not taking place is known as the complement of that event.
The probability of the complement of the given event will be,
In this case an events <em>X</em> is defined as a man, aged 55 - 59, will die of cancer during the course of the year.
The probability of the random variable <em>X</em> is:
Then the event of a man in this age category not dying of cancer during the course of the year will be complement of event <em>X, </em>denoted by<em> X</em>'.
The probability of the complement of event <em>X</em> will be:
Thus, the probability that a man in this age category does NOT die of cancer during the course of the year is 0.997.
Answer:
Step-by-step explanation:
Hello,
(a) Peter cycle at an average speed of x km/h
it means that he is doing x km in 1 hour
so to do 40 km he needs 40/x hour
(b) it means that he was doing x-5 km/h
so it took 40/(x-5) hour
(c) 1 hour 20 minutes correspond to 1+20/60=1+1/3=4/3 hour as 1 hour is 60 minutes
so we can write
40/(x-5)=40/x+4/3
(d)
the speed is positive so we take the positive solution which is 15
the speed is 15 km/h
hope this helps
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