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eimsori [14]
1 year ago
14

In a sample of 200 observations, there were 80 positive outcomes. Find the standard error for the sample proportion.

Mathematics
1 answer:
Aleks [24]1 year ago
4 0

Answer:

Step-by-step explanation:Consider the quadratic function f(x) = x2 – 5x + 6.

What are the values of the coefficients and constant in the function?

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Marcia has two credit cards and would like to consolidate the two balances into one balance on the card with the lower interest
swat32
Given:
Card A - 1,879.58 ; APR 14%; monthly -43.73
Card B -    861.00 ; APR 10% ; monthly -18.29

5 years x 12 months/yr = 60 months.

Card A = 43.73 x 60 = 2,623.80
Card B = 18.29 x 60 = 1,097.40
Total : 2,623.80 + 1,097.40 = 3,721.20

Lowest APR is 10%. monthly rate: 0.83%
Total Card balance: 1,879.58 + 861 = 2,740.58

A = P * (r(1+r)^n) / [(1+r)^n -1]
A = 2,740.58 * [0.0083 (1.0083)^60] / [(1.0083)^60 - 1]
A = 2,740.58 * 0.014/0.64
A = 2,740.58 * 0.022
A = 60.29 monthly payment.

60.29 x 60 = 3,617.40

Separate cards: 3,721.20
Consolidated:     3,617.40
Difference: 103.80

The closest among the choices is Choice C. 105.  Difference in amount may vary in the rounding off of the decimal numbers.
7 0
2 years ago
Read 2 more answers
While traveling to Europe, Phelan exchanged 250 US dollars for euros. He spent 150 euros on his trip. After returning to the Uni
storchak [24]

Answer: Phelan now have 44.69 US dollars. of the original 250 US dollars.

Step-by-step explanation:

Given, Phelan spent 150 euros on his trip.

1 European euro = 1.3687 US dollars

So, 150 euros = 150 × 1.3687 US dollars

= 205.305 US dollars

≈ 205.31 US dollars [ Rounded to the nearest cent. ]

Initially he had 250 US dollars, now he has left (250-205.31)US dollars that is

44.69 US dollars.

Hence, Phelan now have 44.69 US dollars. of the original 250 US dollars.

8 0
2 years ago
Which is a solution to (x – 3)(x + 9) = –27?
EleoNora [17]

。☆✼★ ━━━━━━━━━━━━━━  ☾  

(x - 3)(x + 9) = -27

Expand the brackets:

x^2 + 9x - 3x - 27 = -27

Simplify:

x^2 + 6x - 27 = -27

+ 27 to both sides

x^2 + 6x = 0

Factorise:

x(x + 6)

The solutions are x = 0, x = -6

Have A Nice Day ❤    

Stay Brainly! ヅ    

- Ally ✧    

。☆✼★ ━━━━━━━━━━━━━━  ☾

5 0
2 years ago
Read 2 more answers
A supervised learning model has been built to predict whether someone is infected with a new strain of a virus. The probability
larisa [96]

Answer:

A baseline score of 99% needs to be set.

Step-by-step explanation:

Since this is an example of a classification problem (the classes being whether somebody has been infected with a new virus or not), the ideal score to achieve in such a case is 100%. Hence, a baseline score of 99% should be set in order to get to 100% by outperforming it.

7 0
2 years ago
Define a function print_total_inches, with parameters num_feet and num_inches, that prints the total number of inches. note: the
Leona [35]

Answer:

2

I am taking my first programming course, so my apologies if this is a dumb question/possibly classified by the wrong category on this site. One of the exercise problems I am working on is the following:

Define a function print_total_inches, with parameters num_feet and num_inches, that prints the total number of inches. Note: There are 12 inches in a foot. Ex:

print_total_inches(5, 8) prints:

Total inches: 68

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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