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IRINA_888 [86]
2 years ago
14

In a large population of college students 20% of the students have experienced feelings of math anxiety. If you take a random sa

mple of 10 students from this population, the probability that exactly 2 students have experienced math anxiety is: ___________
a .3020
b .2634
c .2013
d .5 e 1
Mathematics
1 answer:
NARA [144]2 years ago
6 0

Answer:

In a large population of college students 20% of the students have experienced feelings of math anxiety. If you take a random sample of 10 students from this population, the probability that exactly 2 students have experienced math anxiety is:

Step-by-step explanation:

a .3020

b .2634

c .2013

d .5 e 1 the answers is A

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Which of the following is equivalent to 2 ln e^ln 5x = 2 ln 15?
neonofarm [45]

Answer:

x  = 3

Step-by-step explanation:

Given in the question an equation,

2lne^{ln5x}=2ln15

Step 1

e^{lnx}=x

so,

2ln(5x)=2ln15

Step 2

cancel 2 on both sides of the equation

ln{5x}=ln15

Step 3

ln{5x}-ln15=0

ln\frac{5x}{15}=0

Step 4

ln\frac{x}{3}=0

Step 5

e^{ln\frac{x}{3}}=e^{0}

Step 6

x/3 = 1

x = 3(1)

x = 3

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Answer:

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6 0
2 years ago
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