Because couples are deciding to have fewer children, the family size of the United States has declined continuously during the past few decades. According to the U. S. Bureau of the Census, the mean family size was 3.19 with a standard deviation of 0.70 in 1995. A researcher wanted to check if the current mean family size is less than 3.19. A sample of 900 families taken this year by this researcher produced a mean family size of 3.16. Using the .025 significance level, can we conclude that the mean family size has declined since 1995

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit