Step-by-step explanation:
I have written the answer for you...You must know that diameter is twice the radius.
Seven eighth, 7 over 8, 7/8, 0.875,
Answer:
(a) 99%
(b) 50%
Step-by-step explanation:
(a) All factorials after 1! have 2 as a factor, so are even. Thus 99 of the 100 factorials are even, for a probability of 99%.
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(b) The first two sums are odd; the next two sums are even. The pattern repeats every four sums. There are 25 repeats of that pattern in 100 sums, so 2/4 = 50% of sums are even.
Difference means the answer to a subtraction problem, so you could do lots of different one, but if you cant think of one, us 18-9.
