antariusjones8862 antariusjones8862

03-09-2018
Mathematics

contestada

Question 2.what is the probability that between 80 and 115 complaints are received in one week? use a n(110,20) model to approximate the distribution of weekly complaints.

Respuesta :

Аноним Аноним

03-09-2018

Calculate standard Z values for the given data:-

z = (80 - 110) / 20 = - 3/2 = -1.5

and z = (115 - 110) / 20 = 0.25

so we need Prob ( -1.5 < z < 0.25)

Using standard tables this comes to 0.5319 Answer

Answer Link

Otras preguntas

If 40% of x = Rs 200

use the graph of f to determine each of the following

Define war communism in historical term

All of the ratios equivalent to 4:2

Solve for the value of X

Quarry Industries issued $250,000 in bonds last year to fund an expansion. Each of the bonds has a par value of $1,000 and a coupon rate of 3% paid semi-annuall

From the numbers 1,3,8,15,18,23,28,and, 33, write down two prime numbers

Assume the following values for the diagrams below: Q1 = 12 bags. Q2 = 7 bags. Q3 = 19 bags. The market equilibrium price is $34 per bag. The price at point a i

Decrease the number 4/5 by 1/16 of it.

identify Cl,Br,I ions in nacl,nabr,nai solutions respectively practical