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Schach [20]
2 years ago
14

suppose the probability you will get an A in this class is .25 and the probability you will get a B is .50. What is the probabil

ity your grade will be above a C?
Mathematics
1 answer:
Ludmilka [50]2 years ago
3 0

Answer:

75% chance

Step-by-step explanation:

Probability always adds to 1.00

Letter grades are always in the form A, B, C, D...

The grades above a C are A, which is a 25% chance and B, which has a 50% chance. Adding these up we get a 75% chance.

#LearnWithBrainly

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Please answer if possible. Thanks!​
aliya0001 [1]

Answer:

0

Step-by-step explanation:

0 is the center of -4 and 4

7 0
3 years ago
A web page design firm has two designs for an online hardware store. To determine which is the more effective​ design, the firm
elena55 [62]

Answer:

A. The explanatory variable is the number of items viewed. This explanatory variable is quantitative.

Step-by-step explanation:

The variable that we can change is called the Explanatory Variable.

The Response variable depends upon the explanatory variable, as we change the value of the explanatory variable the value of the response variable is also get changed.

When the data is in the form of numeric, it is called quantitative.

When the data is not in the numeric form, it is called qualitative.

Here, we have to determine which web page design is better and it depends on the number of the item viewed by a visitor to that site.

Thus, the Explanatory variable is the "number of items viewed".

and the number of items viewed is numeric data, so it is quantitative.

Hence, option (A) is correct.

5 0
3 years ago
The size of a television screen is given as 95 cm, correct to the nearest 5 cm.
timofeeve [1]

Answer:

U B = 100.5

Step-by-step explanation:

the upper bound of the size of the television screen= 95.5 since it is corrected to the nearest 5 then the U B =100.5 cm

7 0
2 years ago
Which number is closest to the value of √32
barxatty [35]

Answer:

5.65685424.

Step-by-step explanation:

Square Root of 32: √32 = 5.65685424...

6 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP, I NEED A PERFECT SCORE. I'M IN A STRESS AND PANIC MODE BECAUSE I MAY NOT FINISH 9TH GRADE, PLZ HELP ME ANSWER
grandymaker [24]
M(x) = 5x + 4     n(x) = 6x - 9

Part 1 (m + n)(x) = 5x + 4 + 6x - 9
                           = 11x - 5

Part 2 (m * n)(x) = (5x + 4)(6x - 9) = 30x^2 - 21x - 36

Part 3 m[n(x)] = 5(6x - 9) + 4
                       = 30x - 45 + 4
            = 30x - 41
5 0
3 years ago
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