subject
Mathematics, 06.12.2019 09:31 jay1041

In an after school program, students must choose to either play on the playground or read a book silently. on one cloudy day, 70% of the students chose to play on the playground, and the rest chose read a book silently. 60% of the students who went to the playground are boys, and 20% who stayed inside to read a book are boys. if a student is randomly selected on this day, what is the probability that the student is a girl?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 12:40
Question 13 of 451 pointwhich statement correctly describes the inverse of the following function? a. it is negative.b. it is a horizontal shift.c. it is not a function.d. it is a function. give an explanation as to why you chose that answer. (i think its either a or d.)
Answers: 1
question
Mathematics, 21.06.2019 13:40
Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f
Answers: 2
question
Mathematics, 21.06.2019 16:00
Part one: measurements 1. measure your own height and arm span (from finger-tip to finger-tip) in inches. you will likely need some from a parent, guardian, or sibling to get accurate measurements. record your measurements on the "data record" document. use the "data record" to you complete part two of this project. name relationship to student x height in inches y arm span in inches archie dad 72 72 ginelle mom 65 66 sarah sister 64 65 meleah sister 66 3/4 67 rachel sister 53 1/2 53 emily auntie 66 1/2 66 hannah myself 66 1/2 69 part two: representation of data with plots 1. using graphing software of your choice, create a scatter plot of your data. predict the line of best fit, and sketch it on your graph. part three: the line of best fit include your scatter plot and the answers to the following questions in your word processing document 1. 1. which variable did you plot on the x-axis, and which variable did you plot on the y-axis? explain why you assigned the variables in that way. 2. write the equation of the line of best fit using the slope-intercept formula $y = mx + b$. show all your work, including the points used to determine the slope and how the equation was determined. 3. what does the slope of the line represent within the context of your graph? what does the y-intercept represent? 5. use the line of best fit to you to describe the data correlation.
Answers: 2
question
Mathematics, 22.06.2019 04:30
Arandom sample of size n 64 is taken from a population with population proportion p 0.38 describe the sampling distribution of p. draw a graph of this probability distribution with its a. mean and standard deviation. b. what is the probability that the sample proportion is greater than 0.5? what is the probability that the sample proportion is less than 0.3? d. what is the probability that the sample proportion is between 0.35 and 0.45?
Answers: 1
You know the right answer?
In an after school program, students must choose to either play on the playground or read a book sil...
Questions
question
Mathematics, 23.06.2020 10:57
question
Mathematics, 23.06.2020 10:57
question
Chemistry, 23.06.2020 10:57
question
Mathematics, 23.06.2020 10:57
question
Mathematics, 23.06.2020 10:57
question
Health, 23.06.2020 10:57
question
Mathematics, 23.06.2020 10:57