Suppose a brand of lightbulbs is normally distributed with a mean life of 1900 hours and a standard deviation of 50 hours. Find the probability that a lightbulb will last between 1825 hours and 1980 hours

How do i use distributive property to express16 48?

What type of number has exactly 2 factors

If the volume of a cube is 64 in3, how long is each side? 3 in 4 in 5 in 6 in

In Texas the state sales tax rate is 6%. If Lisa purchases a refrigerator at $420.00, then how much will she pay in sales tax?

Which linear function is represented by a graph with a y-intercept of - 16? y=-16x+1 y=16x-1 y=x-16 y=x+16

Who is the 18 president of the United States

Zack says that the probability of rolling a number less than 4 on a six-sided number cube is 4/6. Valeria says that the probability is 3/6. Who is correct? Explain.

The unit price of hot dogs is $0.50/hot dog. How much will 12 hot dogs cost?

The formula to convert °F to °C is C = 5/9 (F - 32). 50°C = 122 °F Why do you multiply 50 by the reciprocal of 5/9

Yan is climbing down a ladder. Each time he descends four rings on the ladder, he stops to see how much farther he has to go. Which word in the problem indicates that a negative integer should be used 1 : Climbing 2: Stops 3: Descends 4: Farther