Total number of cards in a deck = 52
Number of red cards = 26
Number of black cards = 26
P(a red card, then a black card) = (26/52)(26/52) = 1/4
Answer: 1/4
Answer:
u/187 = 189
Step-by-step explanation:
Needs more characters, but that's all there is to it.
We have a class of a total of 267 students.
The professor has a sample of 59 students, where 22 of them did not complete their essays.
This equals a proportion of:

If this sample is representative of the class, we can use this proportion to estimate how many students did not complete the essay.
To do that we multiply the total number of students by the proportion we have just calculated:

Answer: it can be estimated that approximately 100 students did not finish their essay.
Answer:
I can answer a question if you have one :)
Step-by-step explanation:
yeet