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2 years ago

Which slideshows design can not be use?

Computers and Technology

1 answer:

Readme [11.4K]2 years ago

7 0

Answer:

Is there suppose to be a pic ?

Explanation:

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A computer retail store has 15 personal computers in stock. A buyer wants to purchase 3 of them. Unknown to either the retail st

Dima020 [189]

Answer:

a. 1365 ways

b. Probability = 0.4096

c. Probability = 0.5904

Explanation:

Given

PCs = 15

Purchase = 3

Solving (a): Ways to select 4 computers out of 15, we make use of Combination formula as follows;

$^nC_r = \frac{n!}{(n-r)!r!}$

Where $n = 15\ and\ r = 4$

$^{15}C_4 = \frac{15!}{(15-4)!4!}$

$^{15}C_4 = \frac{15!}{11!4!}$

$^{15}C_4 = \frac{15 * 14 * 13 * 12 * 11!}{11! * 4 * 3 * 2 * 1}$

$^{15}C_4 = \frac{15 * 14 * 13 * 12}{4 * 3 * 2 * 1}$

$^{15}C_4 = \frac{32760}{24}$

$^{15}C_4 = 1365$

Hence, there are 1365 ways 

Solving (b): The probability that exactly 1 will be defective (from the selected 4)

First, we calculate the probability of a PC being defective (p) and probability of a PC not being defective (q)

From the given parameters; 3 out of 15 is detective;

So;

$p = 3/15$

$p = 0.2$

$q = 1 - p$

$q = 1 - 0.2$

$q = 0.8$

Solving further using binomial;

$(p + q)^n = p^n + ^nC_1p^{n-1}q + ^nC_2p^{n-2}q^2 + .....+q^n$

Where n = 4

For the probability that exactly 1 out of 4 will be defective, we make use of

$Probability = ^nC_3pq^3$

Substitute 4 for n, 0.2 for p and 0.8 for q

$Probability = ^4C_3 * 0.2 * 0.8^3$

$Probability = \frac{4!}{3!1!} * 0.2 * 0.8^3$

$Probability = 4 * 0.2 * 0.8^3$

$Probability = 0.4096$

Solving (c): Probability that at least one is defective;

In probability, opposite probability sums to 1;

Hence;

Probability that at least one is defective + Probability that at none is defective = 1

Probability that none is defective is calculated as thus;

$Probability = q^n$

Substitute 4 for n and 0.8 for q

$Probability = 0.8^4$

$Probability = 0.4096$

Substitute 0.4096 for Probability that at none is defective

Probability that at least one is defective + 0.4096= 1

Collect Like Terms

Probability = 1 - 0.4096

Probability = 0.5904

8 0

2 years ago

Why should kids not play violent video games

marta [7]

Becouse they could grow up and think that that kinda stuff's normal, and it could eventualy affect their sanity(could cause them to be legally insane)

7 0

2 years ago

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In 1–2 sentences, describe how you would create a border around a group of cells

iragen [17]

Pick one of the cells you want to format and then click the down arrow beside the Borders button in the Font group on the Home tab. A drop-down menu comes up with all theborder options that you can apply to the cell selection

4 0

3 years ago

Read 2 more answers

_ is the adherence to a personal code of principles.

trapecia [35]

Answer: Ethics

Explanation:

Ethics is the basic principle for the personal code. The code of the ethics is basically designed for outline the values in the organization with honesty and integrity.

The ethics is basically depend upon the principle of core value of the organization. The code of the ethics basically guide the core value in the organization and breaking the rule of ethics can also cause termination from the organization.

Morality, integrity and honesty are all the sub part of the ethics vale in the organization. Therefore, ethics is the correct option.

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3 years ago

Before the 20th century how did most people experience computing

frozen [14]

Answer:

Explanation:

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2 years ago