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Aleks [24]
3 years ago
7

According to New Jersey Transit, the 8:00 a.m. weekday train from Princeton to New York City has a 90% chance of arriving on tim

e. To test this claim, an auditor chooses 6 weekdays at random during a month to ride this train. The train arrives late on 2 of those days. Design and carry out a simulation to estimate the probability that a train with a 90% chance of arriving on time each day would be late on 2 of 6 days.- I am confused on how to do this it’s for a major grade with another problem using the R software.
Mathematics
1 answer:
SashulF [63]3 years ago
4 0
We evaluate the probability like this:
0.9^4\times0.1^2
the above value is a theoretical estimation, you have 
to get the above value in your simulation, which equate:
0,006561

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PLEASE HELP!!!!!!!!
Korolek [52]

Answer:

2π - 4√5

(= -2.66 to nearest hundredth).

Step-by-step explanation:

√(2π - 4√5)^2

= 2π - 4√5             (by the definition of a square root)

If you want an approximate value it is

-2.66 to the nearest hundredth

7 0
2 years ago
Find the lim a to b idk hiw to do it
Elina [12.6K]
\bf \lim\limits_{a\to b} \cfrac{a^2-3ab+2b^2}{a-b}\implies \lim\limits_{a\to b} \cfrac{(a-1b)(a-2b)}{a-b}
\\\\\\
\lim\limits_{a\to b} \cfrac{\underline{(a-b)}(a-2b)}{\underline{a-b}}
\implies 
\lim\limits_{a\to b} a-2b\implies \lim\limits_{a\to b} b-2b\implies \lim\limits_{a\to b}-b
5 0
3 years ago
Tom ate 1/2 of the leftovers. How much pie in all did he eat
melisa1 [442]
1/2+1/2=2/2=1 so 1/2 was eaten and the other half was leftovers.
8 0
3 years ago
Read 2 more answers
400,00 has a value of 400
AfilCa [17]
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6 0
3 years ago
Subtracting a number is the same as adding its additive inverse. For which elevation do we need to find the additive inverse?. W
Andreyy89

Answer:

Learning to subtract rational numbers by adding the additive inverse can be explained to your child as being the same as finding the opposite. This can even be described to your child as being a similar concept to one that they have worked with in the past where subtraction is the opposite of addition.

Additive inverse can be defined as adding a number with the opposite or the negative of that number to equal zero. The additive inverse of 1 is (-1), the additive inverse of 2 is (-2) and so on.

Example: 5 + (-5) = 0

In this example, (-5) is the additive inverse.

You can then take additive inverse one step when finding the additive inverse when subtracting rational numbers.

Example: 7 - 4 = 7 + (-4)

3 = 3

When finding the inverse, it is important to keep in mind that what you do to one side, you must do the opposite to another. In the example above, because you subtracted a positive four on one side, you are going to add a negative four to the other. This will make the equation equal on both sides.

Step-by-step explanation:

4 0
3 years ago
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