Fiona has to plot a histogram of the given data.

82, 83, 89, 67, 65, 88, 66, 69, 83, 81, 94, 68, 82, 69, 86, 83, 88, 62, 64, 93

which frequency table should she use for the histogram?
a.
interval 60-70 70-80 80-90 90-100
frequency 8 0 10 2
b.
interval 56-63 63-70 70-77 77-84 84-91 91-98
frequency 1 7 0 5 5 2
c.
interval 50-70 70-80 80-85 85-90 90-100
frequency 8 0 6 4 2
d.
interval 60-75 75-90 90-105
frequency 8 10 2

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.

Prove that 16^4-2^13-4^5 is divisible by 11.