3. A Web site contains here identical computer servers. Only one is used to operate the site, and the other two are spares that can be activated in case the primary system fails. The probability of failure in the primary computer (or any activated spare system) from a request for service is 0.0005. Assuming that each request represents an independent trial, .. a. What is the probability that all three servers fail within five requests? b. What is the probability that a server fail within first request?

Q: How many license plates consisting of three letters followed by three digits contain no letter or…

A: Here we have to find  out the combination of licence plate where repetition  of  letters and digits…

Q: list the first five multiples of 13 after 13 itself.

A:

Q: IQR of 6,7,9,20,22,25,27,34,48,59

A: Observations are: 6,7,9,20,22,25,27,34,48,59

Q: how many 1\6 cups servings are in 3\4 cups of popcorn

A:

Q: A pizza parlor offers 5 toppings.  Find the number of 3-topping pizzas that can be ordered

A: Given data : Total number of toppings offers by pizza parlor = 5

Q: 8* = 1 %3D

A: The equation is 8x=1

Q: A sandwich shop has 20 different choices for fillings. How many different ways are there to choose 5…

A: This is a cimbination question  ncr=n!/(r!(n-r!))7+

Q: Find the range 6, 3, 1, 9, 2, 19, 25, 11, 15, 10, 8, 17?

A: We have given that the data set  6, 3, 1, 9, 2, 19, 25, 11, 15, 10, 8, 17.

Q: Find the number of ways to break a group of 12 people into 3 classrooms, no empty classrooms.

A: Solution

Q: A state has license plates that consist of 2 letters followed by 3 numbers and each letter and…

A:

Q: SxV4 + x?dx

A: We have to find integral

Q: A shipment of 520 calculators, 16 are found to be defective. How many defective calculators are…

A:

Q: Standard automobile license plates in a particular country display 2 digits, followed by 2 letters,…

A: There are 10 digits from 0-9  There are 26 letters from A-Z   We can pick each digit in 10 ways and…