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Ymorist [56]
3 years ago
12

75% of students in a statistics class said that they liked statistics more than algebra. if 3 of these students are randomly sel

ected, what is the probability that all 3 students said that they liked statistics more than algebra?
Mathematics
1 answer:
krek1111 [17]3 years ago
4 0
I percieve this as a trick question. The probability is 100% because if the 3 randomly selected students pertain to the group of students who like statistics better than algebra, then obviously, they are all going to say they like stats better than algerbra.
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What is the value of the expression below when w=3?<br><br><br>6w-9
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Answer:

9

Step-by-step explanation:

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3 years ago
A number is decreased by 40% to 525. what is the original amount?​
zhenek [66]

Answer:

875

Step-by-step explanation:

lets assume the original amount X

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525 = (60 × X) ÷ 100

X = ( 525 × 100 ) ÷ 60

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6 0
3 years ago
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Fittoniya [83]

Equivalent expression

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3 years ago
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On which interval is the average rate of change for bicycle production the greatest? A) 1950 to 1960 B) 1960 to 1970 C) 1970 to
Alborosie

Answer:

D) 1980 to 2000

Step-by-step explanation:

Finding the average rate of change in each interval to determine the greatest one.

Production per interval

1950-1960 = (21-11) \ million = 10 million

1960-1970 = (41-21)\ million = 20 million

1970-1980 = (71-41)\ million = 30 million

1980-2000 = (161-71)\ million= 90 million

Rate of change (1950-1960)= \frac{10}{11} \times 100= 90.90\%

Rate of change (1960-1970) = \frac{20}{21} \times 100= 95.23\%

Rate of change (1970-1980)=  \frac{30}{41} \times 100= 73.17\%

Rate of change (1980-2000)= \frac{90}{71} \times 100= 126.76\%

∴ rate of change between 1980 to 2000 is 126.78%

7 0
3 years ago
|2 + 3x| = |4 - 2x|<br> Plz
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Answer:

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