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ValentinkaMS [17]
3 years ago
12

Identify whether the described situation is an example of experimental probability or theoretical probability.

Mathematics
1 answer:
Law Incorporation [45]3 years ago
7 0
This is experimental probability, since it is based on the outcome of an experiment.
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a shopkeeper sold a certain number ( a two-digit number)of toys all priced at a certain value (also a two-digit number when expr
Makovka662 [10]

The answer is 91 toys sold, make the number ab where a is the 10th digit and b is the first digit. The value is 10a + b that can expressed as 10 (3) + 4 = 34

Let the price of each item: xy

10x + y

He accidentally reversed the digits to: 10b + a toys sold at 10y + x rupees per toy. To get use the formula, he sold 10a + b toys but thought he sold 10b + a toys. The number of toys that he thought he left over was 72 items more than the actual amount of toys left over. So he sold 72 more toys than he thought:

10a + b =10b + a +72

9a = 9b + 72

a = b + 8

The only numbers that could work are a = 9 and b = 1 since a and b each have to be 1 digit numbers. He reversed the digits and thought he sold 19 toys. So the actual number of toys sold was 10a + b = 10 (9) + 1 = 91 toys sold. By checking, he sold 91 – 19 = 72 toys more than the amount that he though the sold. As a result, the number of toys he thought he left over was 72 more than the actual amount left over as was stated in the question.

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3 0
3 years ago
Solve: 8+ (6-4) + 3 = (Make sure to box each step)​
Anna71 [15]

Answer:

13

Step-by-step explanation:

(6-4=2)

8+2 +3

8+2=10

10+3=13

=13

8 0
3 years ago
Read 2 more answers
5-year Treasury bonds yield 5%. The inflation premium (IP) is 1.9%, and the maturity risk premium (MRP) on 5-year bonds is 0.4%.
Eddi Din [679]

Answer:

real risk-free rate = 2.7 %

Step-by-step explanation:

Given data

Treasury bonds yield r  = 5%

time = 5 year

(IP) = 1.9%

MRP = 0.4%

to find out

real risk-free rate r*

solution

we will find real risk-free rate r* by the given formula that is

Treasury bonds yield = real risk-free rate + IP + MRP + default risk premium + liquidity premium

so here default risk premium and liquidity premium both are zero

put all the other value we get real risk-free rate

real risk-free rate = 5% - 1.9 % - 0.4%

real risk-free rate = 2.7 %

3 0
3 years ago
Name a line that is not contained in plane N
Lelechka [254]
Line AE.  See how it's drawn with part dashed? The dashed part is to indicate that it's hidden behind the plane, as if the plane were a table top.
5 0
3 years ago
Read 2 more answers
A researcher studying reaction time of drivers states that, "A 95% confidence interval for the mean time it takes for a driver t
torisob [31]

Answer:

The answer to the question is

Point Estimate = 1.5

Margin of error = 0.3

Step-by-step explanation:

A point estimate as opposed to an interval estimate, presented in the question which consist of a range of values, is a specific point or single value to describe a given set of collected data. An example of a point estimate is the mean of a range of values hence the point estimate is given as

(1.2 + 1.8) ÷ 2 which is equal to 1.5

The margin of error is used to describe the required allowance in terms of statistical points or percentage points by which a given set of result could vary from the actual sample. It represents the expected error between the actual population and the survey result

In this case the margin of error from the mean  is

1.5 - 1.2 = 0.3

Margin of error formula is z ×σ/√(n)

where z = z-score

σ = standard deviation

n = number of sampled data

4 0
3 years ago
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