Sampling

A store selects four items from a selection of 6 items to arrange in a display. How many different arrangements are possible? A. 15 B. 24 C. 360 D. 6

Sampling

How many ways can three prints be selected from a collection of 10 prints? A. 120 B. 720 C. 30 D. 72

Sampling

The sample space of an experiment is {A, B, C, D} and P(A) = 0.1, P(B) = 0.3, P(C) = 0.4, P({A, C}) = A. 0.4 B. 0.5 C. 0.6 D. 0.8

Probability

A computer store has 10 copies of a word processing program, 12 copies of a spreadsheet program, and 8 copies of a draw program. Three of the word processing, four of the spreadsheet and two of the draw programs are infected with a computer virus. If a program is selected at random, the probability it is infected with a virus ...continues

Probability

If the probability that at least one person makes an A on the final exam is 0.15, then the probability no one makes an A is: A. 0.15 B. 0.65 C. 0.85 D. 0

Problem

A student applies for two different scholarships. The probability of receiving the first scholarship is 0.3 and the probabilty of receiving the second is 0.4. The decisions are made undependently. Find the probability the student receives exactley one scholarship. A. 0.12 B. 0.42 C. 0.46 D. 0.40

Problem

A consumer's group checked the gasoline mileage (to the nearest mile per gallon) on 25 different cars. The following gives a summary of the findings: Miles Per Gallon Frequency Less than 15 2 16-20 4 21-30 ...continues

Frequency Table

A secretary periodically checks to see how mnay of the three lines into the office are busy. Her findings for one week were the following: No. Lines busy Frequency 0 20 1 65 2 25 3 ...continues

Sampling

For a sample of size n=100, proportion p = 0.6, and at a 95% confidence level, the upper bound of the proportion is: A. 0.096 B. 0.696 C. 0.050 D. 0.025

Problem

See attachment