The random variable X is normally distributed. P (2045).

Find the mean of X.

Find P (X<45).

Find the standard deviation of X.

at the movie theater chid admission is 5.70 and adult admission is 9.90 on Sunday 154 tickets were sold for a total sales price of 1125.60 how many child tickets were sold that day

If r = 1, s = 2, and t = 3, what value do you expect y will have?

Wiliam compares monthly rainfall amounts for the summer months using the table below. Month. Monthly rainfall June. 3. 3/10. inches July. 3. 3/4. Inches August. 3. 1/2. Inches About how much rain fell in July then in June? A. 1/4 inch B. 1/2 inch C.

Derek ms car average 30 miles per gallon. how much gas will he use if he is traveling 454.5 miles?

Bret has a fish tank that holds 320 fluid ounce of water. on average the water evaporates from the tank at a rate of 3.84 ounces per day. bret went on vacation for 2 weeks and asked a friend to feed his fish.

What is 63 7/8-55 34

What is the area of a sector with a central angle of 210 degrees and a diameter of 4.6 m? Round the answer to the nearest tenth.

Assume that there are 12 students in the class, the front row has eight chairs, and the tutor, who is also a member of the class, must be seated next to Louise. How many different ways can we seat students in the first row?

163,160,157, ... find the 42nd term

A string of kite 100 meters long and it makes an angle of 60 degrees with horizontal. If the person is holding the string 0.8 m from the ground, find the height of kite from the ground