Note: pleas write organize and complete solutions for all questions.

1- the following set of data- represents MBF3C final examination scores. use the data to answers the following questions:

92 48 59 62 66 98 70 70 55 63

70 97 61 53 56 64 46 69 58 64

a- Determine the three measures of central tendency ( mean, median, and mode).

b- creat a frequency table for these data. Group the heights in intervals of width of 10 ( start at 40 -49, 50-59). Draw an appropriate graph.

Statistics/ probability

2- An 70 kg load of recyclables contains theses materials:

paper: 25 kg ;

plastic: 30 kg ;

other: 15 kg ;

Display these data in an appropriate graph. show the calculations for the conversions into degrees.

3- The prizes in the local lottery were worth the following:

2 prizes of $ 500000

7 prizes of $ 250000

10 prizes of $ 1000

Find the mean, median and mode.

4- Calculate the range and standard deviation.

a) 4, 8, 6, 3, 12, 9 ,7, 6

Probability ( display the results as a fraction)

1- A number is drawn from 28 to 36 at random.

a. p (30)

2- A number is drawn from 40 to 56 at random.

a. p (54)

3- A bag contains 12 yellow, 16 white and 14 red marbles. A marble is drawn at random.

a. p (not white)

4- you roll a die numbered from 1 to 6.

a. p (5)

5- Find the probability of each of the following situations:

a. you toss a coin ___what is the probability of seeing tails come up?

BART (B):

1- $ 800 is invested for 2.5 years at 5% simple interest. How mush interest is earned?

2- Joe borrowed $300 from his parents to buy an iPod. They charged him 3.5% simple interest. He paid them back in 18 months. ( show all your work please)

a- How much interest did he pay them?

b- How much did he pay them in total?

3- Bill borrowed some money from a trust company and will repay the loan in 4 years. The interest rate is 6.5% compounded quarterly. Bill must repay $1553.07 . How much did Bill borrow?