The two-way table shows the distribution of book style to genre. Miguel claims that given that the book is paperback (PB) does not affect the outcome that the book is nonfiction (NF).

Answers

Answer 1

Answer:

Yes, the two events are independent because P(NF|PB)=P(NF).

Step-by-step explanation:

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Write an equation that models the situation and find its solution.It's going to be Lindsay's birthday soon, and her friends Martin, Sylvia, Tad, and Yvonne have contributed equal amounts of money to buy her a present. They have $25.00 to spend between them. Determine how much each contributed

Answers

Answer:

4x = 25.00

X= $6.25

Step-by-step explanation:

If you divide 25.00 by 4 the answer should be 6.25

24 % of 175 calculate this

Answers

Answer:

24/100x175 = 42

Step-by-step explanation:

24/100x175 = 42

A ten foot long ladder leans against a wall, with the top of the ladder being eight feet above the ground. What is the approximate angle that the ladder makes with the ground?

Answers

Answer:

The angle that the ladder made with the ground = 53.13010235°

Step-by-step explanation:

The ladder has a length of 10 ft and it leaned against a wall to form a right angle triangle. The height from the top of the ladder to the ground is given as 8 ft. The triangle formed from the illustration can be represented with the picture below.

The angle A is the angle the ladder made with the ground.

Length of ladder = c

height from the top of the ladder to the ground = a

The distance of the foot of the ladder and the wall = b

c = 10 ft

a = 8 ft

Using SOHCAHTOA

sin A = a/c

sin A = 8/10

sin A = 0.8

A = sin-1 0.8

A = 53.13010235°

so we got hypotenuse and opposite side so to find the angle we use the trig function
sin = opposite/hypotenuse
¢=angle
sin¢=8/10
sin¢= 0.8

arcsin¢=arcsin(0.8)
¢= 53.13 degrees

9 is added to the product of 9 and a number

Answers

"a number," which is unknown will be represented by "x."

The predicted of 9 and x is 9x.

9 added is +9.

So the expression is 9x + 9

Experience shows that a ski lodge will be full (153 guests) if there is a heavy snow fall while only partially full (62 guests) with a light snow fall. What is the expected number of guests if the probability for a heavy snow fall is .40