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3 years ago

Which bug type would you suggest for the following bug? The button label "Add to cart" is not fully visible.

Computers and Technology

1 answer:

harina [27]3 years ago

3 0

Butterfly one I forgot the name metapods evolution

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What are the types of technology that is use in education and what are their usages

hjlf

Computers and Tablets I think

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3 years ago

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

What was the job of the Committee of Correspondence? WILL GIVE BRANLEST AND 40 POINT

Wewaii [24]

Answer:

how many of these information have you shared

5 0

2 years ago

Which of the following would an A/V technician NOT typically do? (Select all that apply).

nydimaria [60]

Where is the options?

7 0

3 years ago

What are some of the major issues with geotagging? What concerns you the most?

Finger [1]

Answer:

Major issues with geotagging include the ability to pinpoint the exact location where a photo was taken, which raises privacy concerns.

What concerns me the most is when a geotag of an unsuspecting victim's location falls into the wrong hands.

Explanation:

Geotag - A geographical tag that can attach to SMS text messages, media such as photos and images, etc. The Geotag is measured in the longitude and latitude at which the image or text message took place.

4 0

3 years ago