24. 7 large concrete blocks are going to make up one side of a foundation of a shed. Two of theblocks have a half circle hole in the side of them, so when they are put together, electrical conduitscan be run under the building. If these two blocks must always be next to each other, how manyways can the 7 blocks be placed in a row to make up the foundation section?

Given Here we have 7 blocks ,but we have to keep 2 perticular blocks together. So we have to…

Answered: be run under the building. If these two…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Suppose that Karen, Sue, and Peter all work 6 hours a day. In an hour, Karen can make one widget or 2 thingamajigs. In an hour, Sue can make one widget or one thingamajig. In an hour, Peter can make 2 widgets or one thingamajig. If they all split their time evenly between making widgets and thingamajigs, how many thingamajigs can they make?
A scientist investigated the effect of cross-fertilization on the heights of plants. In one study, the scientist planted 15pairs of a species of plant. Each pair consisted of one cross-fertilized plant and one self-fertilized plant grown in the same pot. The table available below gives the height differences, in eighths of an inch, for the 15 pairs. Each difference is obtained by subtracting the height of the self-fertilized plant from that of the cross-fertilized plant. Use the paired t-interval procedure to determine a 99% confidence interval for the difference between the mean heights of cross-fertilized and self-fertilized plants. Interpret the result. (Note: d=19.00 and sd=35.50.) The 99%confidence interval is from ____ eighths of an inch to_____ eighths of an inch. (Round to two decimal places as needed. Use ascending order.) Which statement below best interprets the confidence interval? A. There is 99%confidence that the difference between the…
The sum of an integer and 4 less than that integer is even.
Write the number 240 as a sum of three numbers so that the sum of the products taken two at a time is a maximum. (Enter the three numbers as a comma- separated list.)
Arrange these steps in the correct order to prove that if you have an 8-gallon jug of water and two empty jugs with capacities of 5 gallons and 3 gallons, respectively, then you can measure 4 gallons by successively pouring some of or all of the water in a jug into another jug in the correct order. Rank the options below. Fill the 3-gallon jug from the 5-gallon jug, leaving (3, 2, 3). Empty the 5-gallon jug's contents into the 3-gallon jug, leaving (6, 0, 2), and then fill the 5-gallon jug from the 8-gallon jug, producing (1, 5, 2). Fill the 5-gallon jug from the 8-gallon jug, leaving the contents (3, 5, 0), where the ordered triple is used to record the amount of water in the 8-gallon jug, the 5-gallon jug, and the 3-gallon jug, respectively. Top off the 3-gallon jug from the 5-gallon jug, and there will be (1, 4, 3), with four gallons in the 5-gallon jug. Pour the contents of the 3-gallon jug back into the 8-gallon jug, leaving (6, 2, 0). ❤ ← ←
John lines up all 15 plants in his garden. The plants are arranged so that the rightmost plant is the tallest of the plants and every plant after the first one is 3 cm tallerthan the plant to its immediate left. If the sum of the height of the shortest plant andthe plant to the immediate left of the middle plant is equal to the midrange of theheight of the 15 plants, how many centimeter tall is the tallest plant?

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be run under the building. If these two blocks must always be next to each other, how many s can the 7 blocks be placed in a row to make up the foundation section?