you ask a friend to think of a number from seven to forourteen. what is the probability that this number will be an even number? plz help me and explain how do u get it

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Step-by-step explanation:

The possible whole numbers between 7 and 14 are 7, 8, 9, 10, 11, 12, 13, and 14.

There are 4 even numbers and 4 odd numbers in this set. Therefore half of the time an even number will be picked and half of the time an odd number will be picked. This is a "50/50" scenario. HTH.

use google you idiot omg you're so annoying

step-by-step explanation:

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)