Are you local grocery store? You can buy 3 pounds of rice for 9 dollars use this information to fill in the missing parts
A certain airline charges a service fee of 7% for each plane ticket purchased. What is the total price the airline charges for a $320 plane ticket?
(Irrational Numbers MC) Approximate -17 √√60 to the nearest tenth. O-9.3 -7.7 7.7 9.3 Question 6(Multiple Choice Worth 2 points) (Multiplying and Dividing with Scientific Notation MC)
When E's (fe's) are obtained by multiplying row totals by column totals, and then dividing by N, the chi square is a(n)? 1 by r O 1 by k all of these, depending on the degrees of freedom Or by k
Greta made $96.00 babysitting last week. If she worked 8 hours last week, which equation can be used to find h, her hourly pay? 8h=96 h+8=96 h = 96 h=96-8
A poll found that people from the north now have relatively warm feelings toward people from the south. A poll, conducted by telephone among a random sample of 804 adults, found that 667 of those sampled consider the two regions friends. The margin of error for the poll was plus or minus 2.6 percentage points (for a 0.95 confidence level). Use this information to obtain a 95% confidence interval for the percentage of all northerners who consider the two regions friends. ...
Inflation causes things to cost more, and for our money to buy less (hence your grandparents saying "In my day, you could buy a cup of coffee for a nickel"). Suppose inflation decreases the value of money by 4% each year. In other words, if you have $1 this year, next year it will only buy you $0.96 worth of stuff. How much will $100 buy you in 20 years?
At a fast food restaurant, customers are asked if they want to "round up" their bill to the next highest dollar and donate the additional money to charity. The cashier is instructed to tell the customer that their bill is X dollars and Y cents. Assume that the values of Y are equally likely to be any value from 0 to 99 cents and that customers are equally likely to "round up" regardless of the amount of their bill. The density curve below models Y, the donation amount. (a) What is the shape of the distribution of donations? Amount of donation (cents) (b) What proportion of donations are at least 75 cents?
