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2 years ago

Write a Python function that join the two string and print it

Computers and Technology

2 answers:

Zinaida [17]2 years ago

6 0

Answer:

Nothing complicated

See attached images

liubo4ka [24]2 years ago

5 0

Answer:

string1 = "this is string 1"

string2 = " this is string 2"

print(string1 + string2)

Explanation:

the string1 variable is assigned with a string value(aka. str)

string2 is also a variable assigned with a slightly different string value

the 3rd line then prints string 1 and 2 to the console.

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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

3 years ago

This is really not a question but yall should texts me I need friends:))

noname [10]

Answer:

if ur lonely i suggest an app/website called mylol

Explanation:

fdsjafklsuhfkjfudhjkfewuhfdjk fdjs afujijf kldsaflkdjslajrfewiofjdjsahfruifhgijdsk fdsj fds

8 0

2 years ago

Read 2 more answers

ROE: what does this represent (in plain terms)? In what range would this number typically be? What type of person/position would

LuckyWell [14K]

Answer:

The ROE in plain terms is called the return on equity (ROE) is a measure of inflow of profit in business in relation to the equity, also known as assets net worth or assets of liabilities ROE is a method of how l company generate earnings through investment

Explanation:

The ROE range number can be of any value or percentage example 15% upwards

The type of person or position with roles to play are usually a professional, such as an accountant, bookkeeper, or payroll processor, who completes ROEs on behalf of your clients in the organisation.

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3 years ago

AtlasNow Construction Company, a general contractor, plans to place a bid for building a hospital. It requests bids from subcont

Lorico [155]

Promissory estoppel legal doctrine can help AtlasNow from being meted out injustice due to lack of consideration

<h3>Explanation:</h3>

Promissory estoppel is a concept in contract law that hinders a person from running backward on a promise yet if a legal contract seems not to endure. It declares that an aggrieved party can redeem losses from a promisor if the losses acquired were the consequence of a promise tendered by the promisor, which he relied on to his succeeding loss.

Promissory estoppel is assigned to hold the promisor from claiming that an underlying promise should not be lawfully propped or forced. It assists injured parties to overcome on promises performed that have commenced to economic loss when not met.

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3 years ago

Scrieți un program care citește un număr natural n și determină suma cifrelor divizibile cu 3 ale lui n.

Vika [28.1K]

Sorry I don't understand your question

5 0

3 years ago

Write a Python function that join the two string and print it ​

Write a Python function that join the two string and print it