Not enough sleep or disruptions to the sleep-wake cycle (such as those that may occur with shift work or travelling to a different time zone) cause the physiological state known as fatigue. Staying awake for 24 hours leads to a reduced hand-to-eye coordination that is similar to having a blood alcohol content of 0.1.
There are 13 hearts in a standard 52 card deck. There are also 13 diamonds, 13 spades and 13 clubs.
If the cards are replaced after each one is drawn it is simply (1/4)^6 There are 13 hearts in a deck of 52 cards and so drawing a heart on any one draw = 13/52 = 1/4 As the cards are replaced after each draw, the probability will not change. We are experiencing some problems, please try again. 2  You can only upload files of type PNG, JPG, or JPEG. 3  You can only upload files of type 3GP, 3GPP, MP4, MOV, AVI, MPG, MPEG, or RM. 4  You can only upload photos smaller than 5 MB.