In a production run of 300 units, there are exactly 20 defective items and 280 good items
(a) What is the probability that a randomly selected item is defective?
(b) If two items are sampled without replacement, what is the probability that both are good?
(c) If two items are randomly sampled without replacement, what is the probability that the first is good but the second is defective?
(a) 20/300 = 0.067 (b) (280/300 )(279/299 ) = 0.871 (c) (280/300 )(20/299 ) = 0.062
You might also like to view...
Chojnowski Incorporated makes a single product-a cooling coil used in commercial refrigerators. The company has a standard cost system in which it applies overhead to this product based on the standard labor-hours allowed for the actual output of the period. Data concerning the most recent year appear below: Budgeted (Planned) Overhead: Budgeted variable manufacturing overhead$82,450 Budgeted fixed manufacturing overhead 325,975 Total budgeted manufacturing overhead$ 408,425 Budgeted production (a) 25,000unitsStandard hours per unit (b) 1.70labor-hoursBudgeted hours (a) × (b) 42,500labor-hours Applying Overhead: Actual production (a) 20,000unitsStandard hours per unit (b) 1.70labor-hoursStandard hours allowed for the actual production (a) ×
(b) 34,000labor-hours Actual Overhead and Hours: Actual variable manufacturing overhead$74,812 Actual fixed manufacturing overhead 312,975 Total actual manufacturing overhead$ 387,787 Actual hours 31,700labor-hoursThe variable component of the predetermined overhead rate is closest to: A. $2.20 per labor-hour B. $1.76 per labor-hour C. $1.94 per labor-hour D. $2.36 per labor-hour
The following information relates to Aracely Inc at December 31 . 2014: Fair value of plan assets ............................. $1,520,000 Market related asset value ............................ 1,440,000 Accumulated benefit obligation ........................ 1,960,000 Projected benefit obligation .......................... 2,040,000 Unrecognized prior service cost ....................... 24,000
The total pension liability at December 31 . 2014, for Aracely Inc is a. $0. b. $440,000. c. $480,000. d. $520,000.
Recruiters usually expect to see all of the following on a résumé except
A) your job objective. B) your personal references. C) your education history. D) the names of previous companies.
Which of the following would not appear on a multiple-step budgeted income statement?
A) gross profit B) income tax expense C) operating income D) salaries payable