Statistics and Probability

Front

It is a numerical quantity that is assigned to the outcome of an experiment.

Back

Random Variable

Front

Set of all possible outcomes in an experiment.

Back

Sample Space

Front

Two coins are tossed in an experiment. Which of the following list is the sample space? S= {HH, HT, TH, TT}, S= {HH, TT}, S= { HT, TH, TT}, S= {HH, HT, TT}

Back

S= {HH, HT, TH, TT}

Front

Number of heads when two coins are tossed consecutively.

Back

0, 1, 2

Front

Nico labels an x-axis with points earned and the corresponding y-axis with the number of players. He plots one against the other and obtains a bar graph called a what?

Back

Histogram

Front

If you had no idea what the answer to this four option multiple choice was and took a wild guess, what is the probability that you are correct?

Back

1/4

Front

TRUE or FALSE: The standard normal distribution of a random variable is a normal distribution with mean =0 and standard deviation =1.

Back

TRUE

Front

TRUE or FALSE: The area between 0 and a positive value z is the same as the area between 0 and -z.

Back

TRUE

Front

TRUE or FALSE: The area that corresponds to z = 2.58 is the same as the area that corresponds to z = -2.58, which is A = 0.4951

Back

TRUE

Front

Find the area that corresponds to z = -1.15

Back

A = 0.3749, 0.3749, .3749