Mountain climber Joe climb to a mountain peak that was 1200 feet above its base and 1500 feet east of it base , mountain climber
Bob climbed to a mountain peak that was 900 feet above its base in 1000 feet east of its base who climbed a steeper mountain
2 answers:
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Answer:
C
Step-by-step explanation:
So the lion weighs more than the ant right?
And we wish to figure out how much greater the lion's weight is compared to the ant's weight.
So only thing we have to do is divide.
Let be the random variable for the number of marks a given student receives on the exam.
10% of students obtain more than 75 marks, so
where follows a standard normal distribution. The critical value for an upper-tail probability of 10% is
where denotes the CDF of
, and
denotes the inverse CDF. We have
Similarly, because 20% of students obtain less than 40 marks, we have
so that
Then are such that
and we find