Finding the "probability that at least one is girl" can be done much easier by subtracting the "probability that none is girl" from 1, since these 2 events are the complement of each other, and either one or the other, but never both, may happen.
consider the tree diagram of the problem, check the picture, each branching represents a birth. The only branch where there is no girl (no g), is
bbbbbb with a probability of (1-0.534=0.466) per each letter b.
we know that the probability of a particular branch is the multiplication of the probabilities of each letter in the branch.
so in the case, P(bbbbbb)=

finally, P(at least 1 girl) = 1- P(no girl)=1-P(bbbbbb)=1-0.01=0.99
Answer: 0.99
Answer:
$76-$14-$24=$38
Step-by-step explanation:
She owed her mother $76, and has paid back $38, leaving $38 left to be paid. If this helped, please mark as Brainliest :)
That would be evaluated to 31+1 because you have to keep change flip. Keep the 31, change the symbol to addition, then flip the negative 1 to a positive number.
Answer: Ashley spent $18.70 and the friend spent $17.16
Step-by-step explanation:
Original cost of Ashley's meal = $ 15.85
tip left = 18% of 15.85
that is
tip left = 0.18 x 15.85 = $2.85
All together, Ashley will pay
$15.85 + $2.85
= $18.70
The friend's original cost = $14.30
tip = 20% of 14.30
= 0.20 x 14.30
= $2.86
All together , the friend will pay
$14.30 + $2.86
=$17.16
Therefore:
Ashley spent $18.70 and the friend spent $17.16