Answer:
The probability they have one boy and one girl = 0.50 = 50 %
Step-by-step explanation:
Here the family has two children, we need to find what is the probability they have one boy and one girl.
Probability for babies are boys = 51.3% = 0.513
Probability for babies are girls = 1 - 0.513 = 0.487
The probability they have one boy and one girl = 1 - probability that they have two boys - probability that they have two girls
The probability they have one boy and one girl = 1 - 0.513² - 0.487² = 0.499 = 0.50
The probability they have one boy and one girl = 0.50 = 50%
Answer:

Step-by-step explanation:
It was 65 degrees by lunch time.
The answer is 4√6 4√x
Sorry if that looks confusing but it means small 4, big 6 and then small 4
If you mean unit rate you find it by dividing the top number by the bottom number to fin the singular number or unit rate.