A card is drawn at random from a standard pack of cards. Find the probability of drawing, (a) a card bearing a number that is divisible by 3 or by 5.
(b) a Joker
(c) a King, a Queen or an Ace.
(d) neither a King nor a Jack.

Jane has 5 nickels. john has 3 dimes. jane says she has a greater amount of money. with the information given, is she correct?

What is 6/10 rounded to the nearest half

(co 3) the soup produced by a company has a salt level that is normally distributed with a mean of 5.4 grams and a standard deviation of 0.3 grams. the company takes readings of every 10th bar off the production line. the reading points are 5.8, 5.9, 4.9, 6.5, 5.0, 4.9, 6.2, 5.1, 5.7, 6.1. is the process in control or out of control and why? it is out of control as two of these data points are more than 2 standard deviations from the mean it is in control as the data points more than 2 standard deviations from the mean are far apart it is out of control as one of these data points is more than 3 standard deviations from the mean it is in control as the values jump above and below the mean