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

This Richterometer is used to measure seismic waves. True False

He was a harsh dictator in Chile, seated in 1973. A. Peron B. Noriega C. Pinochet

By the early 1900s, germany had worsening relations with all of the following except: a. france b. great britain c. austria-hungary d. russia user: which of

Someone who smokes marijuana very day may be functioning at a intellectual level all of the time. a sub optimal b neither optimal or suboptimal d all of the abo

Italian and Greek manufacturers have built factories in Albania to take advantage of the _____. influx of refugees political isolation political conflict low wa

During late pregnancy, women may exhibit temporary lordosis. this is advantageous because temporary lordosis _________.

An asset costing $50,000.00 with a residual value of $5,000.00 has an estimated useful life of 5 years. Using the declining-balance method at twice the straight

What was the official u.s. response to the japenese attack on pearl harbor?

are all (cars) that are mustangs, made by ford?

Solve 7(x+9)+8(2x+7)