Acoin is tossed two times. the set of outcomes is
given as s = {hh, ht, th, tt).
let x represent the number of times heads
occurs
complete the table
a=
b=
c=

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.