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Diano4ka-milaya [45]
4 years ago
7

suppose that you put $2,500 into a retirement account that grows with the interest rate of 5.15% compounded once each year after

how many years with the balance of the account will be at least $1,500.
Mathematics
1 answer:
Bezzdna [24]4 years ago
8 0
You are starting with $2,500 and you want to know when it will reach $1,500?
I think you've made a typo.
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A study was conducted to determine whether there were significant differences between medical students admitted through special
Mekhanik [1.2K]

Answer:

P(X\geq 9)=P(X=9)+P(X=10)

And using the probability mass function we got:

P(X=9)=(10C9)(0.913)^9 (1-0.913)^{10-9}=0.383  

P(X=10)=(10C10)(0.913)^{10} (1-0.913)^{10-10}=0.402  

And replacing we got:

P(X \geq 9) = 0.383 +0.402= 0.785

Step-by-step explanation:

Let X the random variable of interest "number of  students graduated", on this case we now that:  

X \sim Binom(n=10, p=0.913)  

The probability mass function for the Binomial distribution is given as:  

P(X)=(nCx)(p)^x (1-p)^{n-x}  

Where (nCx) means combinatory and it's given by this formula:  

nCx=\frac{n!}{(n-x)! x!}  

We want to find the following probability:

P(X\geq 9)=P(X=9)+P(X=10)

And using the probability mass function we got:

P(X=9)=(10C9)(0.913)^9 (1-0.913)^{10-9}=0.383  

P(X=10)=(10C10)(0.913)^{10} (1-0.913)^{10-10}=0.402  

And replacing we got:

P(X \geq 9) = 0.383 +0.402= 0.785

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4 years ago
Can somebody help me answer this question whoever gets it right will get branlist !
VladimirAG [237]
Answer: x=17

Step by Step:

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3 years ago
Write the pair of fractions as a pair of fractions with a common denominater 3/10 1/2
Serggg [28]

Answer:

3/10 and 5/10

Step-by-step explanation:

1/2 = 5/10

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2 years ago
5 3⁄10 hectometers = meters
Morgarella [4.7K]

Answer:

\large\boxed{5\dfrac{3}{10}\ hectometers=530\ meters}

Step-by-step explanation:

PREFIXES\\\\mega\ (M)=10^6\\\\kilo\ (k)=10^3\\\\hecto\ (h)=10^2\\\\deko\ (da)=10\\\\decy\ (d)=10^{-1}=0.01\\\\centi\ (c)=10^{-2}=0.01\\\\mili\ (m)=10^{-3}=0.001\\\\mikro\ (\mu)=10^{-6}=0.000001

5\dfrac{3}{10}=5.3\\\\1\ hectometers=100\ meters\qquad(1\ hm=100m)\\\\5\dfrac{3}{10}\ hm=5.3\ hm=5.3\cdot100\ m=530\ m

8 0
3 years ago
What is the P(T,H,T,H) on 4 flips of a coin?<br><br> i need help
Katen [24]

Answer:

1/16

Step-by-step explanation:

Each coin flip is an independent event so the probabilities are independent

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