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Nezavi [6.7K]
3 years ago
13

dylan invested $600 in a savings account at a 2% annual interest rate. He made no deposits or withdrawals on the account for 2 y

ears. The interest was compounded annually. Find, to the nearest follower, the balance in the account after 2 years.
Mathematics
1 answer:
Ksivusya [100]3 years ago
4 0

Answer:

He's RICH

Step-by-step explanation:

100,566

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At a snack food manufacturing facility, the quality control engineer must ensure that all products feature the appropriate expir
Helga [31]

Answer:

0.1108 = 11.08% probability that there are exactly 3 faulty candy bars among the seven.

Step-by-step explanation:

The bars are chosen without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by the following formula:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

In which:

x is the number of successes.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

60 total candies means that N = 70

12 are faulty, which means that k = 12

Seven are chosen, so n = 7

What is the probability that there are exactly 3 faulty candy bars among the seven?

This is P(X = 3). So

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

P(X = 3) = h(3,70,7,12) = \frac{C_{12,3}*C_{48,4}}{C_{60,7}} = 0.1108

0.1108 = 11.08% probability that there are exactly 3 faulty candy bars among the seven.

5 0
3 years ago
A–2=3+6a/3<br> What dose a equal?
balandron [24]

Answer:

a = -5

Explanation:

7 0
3 years ago
Read 2 more answers
Determine the net pay if gross pay was $546.54 and the following deductions were taken out. Federal tax $66.00, state tax
kirill115 [55]

Answer:

416.87, you subtract all from gross pay.

Step-by-step explanation:

546.54-66-21.86-33.89-7.92=416.87

3 0
2 years ago
The number of adults who attend a county fair (measured in hundreds of people) is represented by the function a(d)=−0.3d2+4d+9 ,
Lesechka [4]

Given is the function for number of adults who visit fair at day 'd' after its opening, a(d) = −0.3d² + 4d + 9.

Given is the function for number of children who visit fair at day 'd' after its opening, c(d) = −0.2d² + 5d + 11.  

Any function f(d) to find excess of children more than adults can be written as follows :-  

f(d) = c(d) - a(d).

⇒ f(d) = (−0.2d² + 5d + 11) - (−0.3d² + 4d + 9)

⇒ f(d) = -0.2d² + 0.3d² + 5d - 4d + 11 - 9

⇒ f(d) = 0.1d² + d + 2

6 0
3 years ago
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Kai took five tests this semester. His scores are listed below.
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Answer:

3.2 is the answer. Your welcome

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