A sample of the amounts paid for parking at the Azikov parking garage last weekend is depicted below, use the information to answer the questions that follow.
Amount 0.30 0.60 0.90 1.20 and 1.50 1.80 and 2.10 2.40
paid and and and under1.50 and under2.10 and and
2.
under under under
under
under
under
0.60 0.90 1.20
1.80
2.40 2.70
Frequency 2 7
15 28
14
9
2
NB: Use two decimal places
1 Estimate the mean amount paid
i Calculate the sample standard deviation and interpret
Calculate the sample coefficient of variation for the distribution

Which value would be a solution for x in the inequality 47-4x< 7

Write and solve a real word problem that involves determining distance on a coordinate plane

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.