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Blizzard [7]
3 years ago
5

State whether the data described below are discrete or continuous, and explain why.

Mathematics
1 answer:
enot [183]3 years ago
6 0

Answer:

A. The data are continuous because the data can take on any value in an interval.

Step-by-step explanation:

A continuous data is any data set having infinitely many possible values and those values cannot be counted, meaning they are uncountable. Any quantity such as height, volume, weight, density, length, pressure, temperature, speed, distance, time are generally a continuous data.

Hence, the exact heights of different elephants represents a continuous data because the data can take on any value in an interval.

On the other hand, a discrete data is any data set in which the number of possible values are either finite or countable. Thus, a discrete data can only take on specific values. For example, the value of a fair die, number of sweets in a jar, number of eggs in a crate etc.

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You have a choice between 2 jobs, one pays $8.25/hr but requires you to spend $20 to get a uniform. The other pays $7.50/hr. At
Veronika [31]

Step-by-step explanation + Answer:

x = 1st job

y = 2nd job

x + y = 22......x = 22 - y

7x + 8.25y = 171.50

7(22 - y ) + 8.25y = 171.50

154 - 7y + 8.25y = 171.50

-7y + 8.25y = 171.50 - 154

1.25y = 17.50

y = 17.50 / 1.25

y = 14 <== 14 hrs at the 8.25 per hr job

x + y = 22

x + 14 = 22

x = 22 - 14

x = 8 <=== 8 hrs at the 7 per hr job

5 0
2 years ago
PLEASE HELP ME!!!!
luda_lava [24]

Answer:

3.00

Step-by-step explanation:

Given that :

Payout(X) : ___ 0 ___ 4 ___ 6 ____ 8 _____ 10

Probability (p(x) 0.5 _ 0.2 __0.15 __0.1 ___ 0.05

Expected value :E(X) = ΣX* p(x)

E(X) = (0*0.5) + (4*0.2) + (6*0.15) + (8*0.1) + (10*0.05)

E(X) = 3

Expected value = 3.00

8 0
3 years ago
Please help solve with steps: Order of operation with integers.<br><br> 6 (divide by ) (-3) - (-9)
andreev551 [17]

Answer:

<h2>7</h2>

Step-by-step explanation:

Use PEMDAS:

P Parentheses first

E Exponents

MD Multiplication and Division

AS Addition and Subtraction

6:(-3)-(-9)           <em>first - division</em>

=-2+9          <em>use commutative property a + b = b + a</em>

=9+(-2)=9-2=7

3 0
3 years ago
The probability that a battery will last 10 hr or more is 0.9, and the probability that it will last 15 hr or more is 0.13. give
galben [10]
P(B|A) = P(B)/P(A) = 0.11/0.7 = =.157
3 0
4 years ago
If the interest paid was $1428 on a principal of $5100 and an interest rate of 4%, how many years was the loan for?
Vaselesa [24]

Answer:

7 years

Step-by-step explanation:

Use the formula I=Prt

Convert 4% to a decimal. 4% = 0.04

1428  = 5100(.04)t

1428 = 204t

1428/204 = 204t/204

t = 7 years

3 0
3 years ago
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