What is plt histogram?

What is the probability of drawing two aces from a deck of 52 cards? What is the probability that at least one of the children is a second-grader when a small school bus contains eight first-graders and ten second-graders if two children are ill? Why are repeated trials important? What is the difference between Sampling error vs sampling bias? Assumption of one-way analysis of variance? What does underestamate mean? What are some tools use to collect and analyze scientific data? What is a sentence for the word line graph? Assuming that the heights of college women are normally distributed with mean 65 inches and standard deviation 2.5 inches what percentage of women are between 62.5 inches and 67.5 inches? How many different simple random sample of size 7 can be obtained from a population which is a size 100? What is the percentage of error for 4 out of 251? How many digits are there in the number 30? What is the median number between 51015202530354045 in a box and whisker plot? Is a parallelogram's diagonals perpendicular? What is a preceding occurrence cause or event? How far will the average female hit a 9 wood? What is the difference between a qualitative observation and quantitative observation? What is the meaning of the 7 in 2.47? How is typical monocot leaf attached to the stem? Who discovered probability?