Do the law of order and the law of grouping apply to subtraction?

Since we know that law of order states that sum or product of any two specific numbers will be same irrespective to their order.   and .

Law of order is only applicable for addition and multiplication. It is not applicable to subtraction and division. Let us see it by an example.

Law of grouping states that it does not matter how to order a group of numbers while adding or multiplying. and .

Law of grouping is not applicable to subtraction and division. Let us see it by an example.

Therefore, we can see that law of order and law of grouping is not applicable to subtraction.

85.560%

step-by-step explanation:

conditional probability is defined as:

p(a|b) = p(a∩b) / p(b)

in other words, the probability that a occurs, given that b has occurred = the probability that both a and b occur / the probability that b occurs.

in this example:

p(turns 64 | turns 44) = p(turns 64 & turns 44) / p(turns 44).

if someone turns 64, they must have already turned 44, so:

p(turns 64 | turns 44) = p(turns 64) / p(turns 44)

on page 42, we see that of the original 100,000, 94944 turn 44, and 81234 turn 64.   therefore:

p(turns 64 | turns 44) = 81234 / 94944

p(turns 64 | turns 44) = 0.85560

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step-by-step explanation: