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2 years ago

15

Six of Judith's CDs are jazz, five are country, five are classical, five are hip hop, and the remaining four are rock. What is t

he probability that Judith will randomly select a classical CD from her collection?

1 answer:

aleksandr82 [10.1K]2 years ago

4 0

Zinc Djibouti bid f. If in doc doc sonfhfbfirnic.

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Two unique letters are chosen at random from the alphabet.

ElenaW [278]

A - choosing letter A first

$|\Omega|=P(26,2)=\dfrac{26!}{24!}=25\cdot26\\
|A|=1\cdot25=25\\\\
P(A)=\dfrac{25}{25\cdot26}=\dfrac{1}{26}\approx0.0385$

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2 years ago

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Tia Veronica Pam and Lily are sisters. Tia is eight years old and she’s two years older than Pam. Pam is five years younger than

Nastasia [14]

Answer:

Pam (6 years), Tia(8 years), Veronica(11 years) , Lily (15 years)

Step-by-step explanation:

Age of Tia = 8 years

______________________________________________

Given Tia is 2 years older than Pam

mathematically

age of Pam + 2 years = age of Tia

age of Pam + 2 years = 8 years

age of Pam = 8 years- 2 years = 6 years

______________________________________________

Given Pam is five years younger than Veronica

we can infer that age of veronica is age of Pam + 5 more years

mathematically

age of Pam + 5 years = age of Veronica

6 years + 5 years = age of Veronica

age of Veronica = 11 years

______________________________________________

Given Veronica is four years younger than Lily

we can infer that age of Veronica is (age of Lily - 4 years)

mathematically

age of Veronica = age of lily - 4 years

11 years = age of lily - 4 years

age of lily = 11 years + 4 years = 15 years

age of lily = 15 years

______________________________________________

Arranging the list from youngest to oldest we have

age of Pam = 6 years

Age of Tia = 8 years

age of Veronica = 11 years

age of lily = 15 years

Arranging sisters in order of youngest to oldest

Pam, Tia, Veronica , Lily

3 0

2 years ago

The velocity of a ball is thrown up is 20 meters/second. It attains zero velocity after 3.5 seconds. What is the average acceler

Reptile [31]

Average acceleration: ( v - v o ) / Δ t
v = 0 m/s, v o = 20 m/s, Δ t = 3.5 s
a (average) = ( 0 m/s - 20 m/s )/3.5 s = - 20 m/s / 3.5 s =
= - 5.7142857 m/s² ≈ - 5.71 m/s²

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2 years ago

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A property valued at $295,000 has a gross rent multiplier of 135. What is this property's monthly income? $2,458,$2,185,$2,525 O

velikii [3]

This is your formula:
$135 = \frac{295000}{x}$
solve for x and your answer is:
$x = 2185$

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2 years ago

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The probabilities of a positive response to two government programs from the citizens in eight cities are given in the table. Ci

Colt1911 [192]

Assuming that the positive response for program 1 is the first percentage for each city, and the positive response for program 2 is the second percentage, the chance of a positive response for program 2 given that the individual is from LA is 88.1%

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