What is the value of x ?????
2 answers:
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Answer:
Choice number one:
.
Step-by-step explanation:
- Let
be the event that the number on the first card is even.
- Let
be the event that the number on the second card is even.
The question is asking for the possibility that event and
happen at the same time. However, whether
occurs or not will influence the probability of
. In other words,
and
are not independent. The probability that both
and
occur needs to be found as the product of
- the probability that event
- the probability that event
5 out of the ten numbers are even. The probability that event occurs is:
.
In case A occurs, there will only be four cards with even numbers out of the nine cards that are still in the bag. The conditional probability of getting a second card with an even number on it, given that the first card is even, will be:
.
The probability that both and
occurs will be:
.
Answer:
Edward drove altogether of 16.1 miles.
Step-by-step explanation:
Given:
Edward was Running around on his bike.
Distance from home to post office =
can be Rewritten as
Distance from home to post office =
Now Given:
Distance from Post office to market = 3.25 miles.
Now we will calculate Distance from Home to market.
Distance from Home to market can be calculated by adding Distance from home to post office and Distance from Post office to market.
Framing in equation form we get;
Distance from Home to market =
Also Given:
his mother picked him up at the market and drove him home.
We need to find the total miles Edward drive altogether.
total miles Edward drive altogether will be equal to Sum of Distance from Home to market and Distance from market to home.
framing in equation form we get;
Total Distance Edward drove =
Hence Edward drove altogether of 16.1 miles.