We can use the normal distribution to approximate the binomial distribution when

a. the sample size is at least 30.

b. np and nq are both less than 5.

c. np and nq are both more than 5.

d. nx is greater than 30.

There are already 1,400 gallons of water in a swimming pool. If water is filling the pool at a rate of 25 gallons per minute, which expression indicates the amount of water, in gallons, in the swimming pool after m minutes?

Suatu balok memiliki luas permukaan 188 cm. jika lebar dan tinggi balok masing masing 8 cm dan 6 cm, tentukan panjang balok tersebut?

1. The sum of Sam's and Tom's ages is 70. Tom is four times as old as Sam. If you let s = Sam's age and t = Tom's age then you can use a system of equations. What are Sam's and Tom's ages?

What is the area of a circle with a diameter of 6 in? (A) 12π in (B) 36π in2 (C) 9π in2 (D) 36 in2

What is the value of s? 3/8 (s+9) = - 19

Which of the following is correct set notation? (1,2,3) 1,2,3 {1,2,3} none of the above

The kindergarten teacher wants to divide 1/2 of her classroom into 5 equal sections for stations

A train traveling at 30 miles per hour reaches a tunnel which is 9 times as long as the train. If the train takes 2 minutes to completely clear the tunnel, how long is the train in miles? (1 mile = 5,280 feet)

The cost for 7 dance lessons is $82. the cost for 11 is $122. write a linear equations to find the total cost C for L dance lessons. How much for 4 lessons?

What is 9.09 repeating as a fraction?