From a set of eight marbles, five red and three white, we choose one at random. What are the odds in favor of choosing a red marble?

Answers

Answer 1

Answer: There's a 5/8 chance that you will choose the red marble and there's only 3/8 chance for a white marble.

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If a cube has a volume of 343 cubic yards, what is its surface area?

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hope this helps-------------

Tickets to a baseball game cost $25 each plus a $4.50 handling fee per ticket. If Sharon has a coupon for $10 off, what will she be charged if she orders 4 tickets?

Answers

25+4.5= 29.5

(29.5*4)-10=$108

Debbie cut a cord into sixths . She used five of the to make necklaces . She used equal lengths of the remaining cord for each of four bracelets. What fraction of the original cord did Debbie use for each bracelet ?

Answers

So she used $(5)/(6)$ of the cord to make necklaces.
$1- (5)/(6) = (1)/(6)$

She splits the $(1)/(6)$ length into 4 equal lengths.
To divide a fraction by a fraction, you multiply it by its reciprocal.
$(1)/(6) ( (1)/(4))$
$=(1)/(24)$

She used $(1)/(24)$ of the original chord to make each bracelet.

Last year, the numbers of skateboards produced per day at a certain factory were normally distributed with a mean of 20,500 skateboards and a standard deviation of 55 skateboards. A. On what percent of the days last year did the factory produce 20,555 skateboards or fewer?
B. What percent of the days last year did the factory produce 20,610 skateboards or more?
C. On what percent of the days last year did the factory produce 20,445 skateboards or fewer?

Answers

This can be solved by using the empirical rule for a normal distribution.
A. The number of skateboards given is one standard deviation above the mean. Approximately 68% of the data points lie within the range plus and minus one standard deviation of the mean. Therefore the required percentage is:
68 + 16 = 84%.
B. The given number of skateboards is two standard deviations above the mean. Approximately 95% of the data points lie within the range plus and minus two standard deviations of the mean. Therefore the required percentage is:
5/2 = 2.5%
C.The given number of skateboards is one standard deviations below the mean. Therefore the required percentage is:
16%.

Answer:

(Use the normal distribution graph below to help you solve problems like this)

a) 34 + 34 + 13.5 + 2.35 + 0.15 = 84%

b) 2.35 + 0.15 = 2.5%

c) 13.5 + 2.35 + 0.15 = 16%

What is the current value of a future sum of money called

Answers

Answer : Present value

Present value is the Future sum of money that is the sum accumulated after some years given a specific rate of interest.

Present value is also known as present discounted value that is the value of an expected income determined in the given time of valuation

the current value of a future sum of money called Present value

The answer to your question is present value, because the question asked current value, and current value is also called as present value.

Present value

Hope it works

A car salesperson sells cars at prices ranging from $5,000 to $45,000. the histogram shows the distribution of the numbers of cars he expects to sell over the next 10 years. the median of the car is ___.

- $20,000
- $25,000
- $30,000
- $40,000

the distribution exhibits ___.

- a negative skew
- a positive skew
- symmetry
- uniformity throughout