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ludmilkaskok [199]
3 years ago
15

Can somebody please hellllp me with thissssss!!! please

Mathematics
2 answers:
erastova [34]3 years ago
7 0

Answer:

A

Step-by-step explanation:

Tju [1.3M]3 years ago
4 0

Answer:

59 m

Step-by-step explanation:

16 + 15 + 13 + 15 = 59

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A county's population in 1991 was 147 million. In 1998 it was 153 million. Estimate the population in 2017 using the exponential
aliina [53]
Let t=number of years since 1991.
Then 
P(t)=147 e^(kt)   ... in millions
P(0)=147 e^(0)=147
P(7)=147 e^(7k)=153
e^(7k)=(153/147)
take ln both sides
ln(e^(7k))=ln(153/147)
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Answer: in 2017, the projected population is 170.55 millions.
6 0
3 years ago
Which explicit formula is equivalent to ?<br><br>WILL GIVE BRAINLEST
podryga [215]

Answer:

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4 0
3 years ago
Find the probability of having 2,3, or 4 successes in five trials of a binomial experiment in which the probability of success i
Georgia [21]

Answer:

65.3%

Step-by-step explanation:

Binomial distribution PMF below (along with a description)

the probabilty of getting 2, 3, or 4 successes in 5 trials is just

p(2)+p(3)+p(4)

p(2)= 5C2*.4²*(1-.4)³ = .3456

p(3)= 5C3*.4³*(1-.4)²= .2304

p(4)= 5C4*.4⁴*(1-.4)=.0768

.3456+.2304+.0768= .6528

6 0
2 years ago
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