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cluponka [151]
3 years ago
5

A box of cookies contains 4 chocolate and 6 butter cookies. Miguel randomly selects a cookie and eats it. Then he randomly selec

ts another cookie and eats it. Are the probabilities for the flavor of the second cookie that Miguel selects independent of his first selection? Explain. The probabilities for the second cookie selection are independent of the first selection. The cookies are replaced after selecting them. The probabilities for the second cookie selection are dependent on the first selection. The probability of selecting a chocolate cookie second is the same as selecting a butter cookie. The probabilities for the second cookie selection are dependent on the first selection. The probability of a chocolate cookie being selected second is dependent on whether a chocolate or butter cookie was selected first. The probabilities for the second cookie selection
Mathematics
1 answer:
laila [671]3 years ago
7 0

Answer:

The probability of the flavor of the second cookie is always going to be dependent on the first one eaten.

Step-by-step explanation:

Since the number of the type of cookies left depends on the first cookie taken out.

This is better explained with an example:

  1. Probability Miguel eats a chocolate cookie is 4/10. The probability he eats a chocolate or butter cookie after that is <u>3/9</u> and <u>6/9</u> respectively. This is because there are now only 3 chocolate cookies left and still 6 butter cookies left.
  2. In another case, Miguel gets a butter cookie on the first try with the probability of 6/10. The cookies left are now 4 chocolate and 5 butter cookies. The probability of the next cookie being chocolate or butter is now <u>4/9</u> and <u>5/9</u> respectively.

The two scenarios give us different probabilities for the second cookie. This means that the probability of the second cookie depends on the first cookie eaten.

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What is the interval notation for the compound inequality? x ≤ −4 or x ≥ 5
torisob [31]

Answer:

(-∞, -4] ∪ [5, ∞)

Step-by-step explanation:

Hi!

Alright, so greater (or less) than or equal to is denoted with a bracket.

If x is less than or equal to -4, then the bracket is on the left side.

(___, -4]

Because x is <em>any</em> number under or equal to -4, x can range from negative infinity. However, we use a parentheses for infinity because infinity can never truly be reached.

So, x \leq -4 = (-∞, -4]

X\geq5

Equal to = bracket

X is any number above 5, so

[5, ∞)

Because we want both of these, we use the union sign (∪)

so,

= (-∞, -4] ∪ [5, ∞)

8 0
3 years ago
Suppose you roll two number cubes and find the probability distribution for the sum of the numbers. Which two sums are represent
Contact [7]
When you roll a number cube, there is a possibility of a number from 1 to 6 appearing. i.e. 1, 2, 3, 4, 5, or 6 can appear.

The same goes for the second number cube.

The table below presents the possible outcomes of rolling two number cubes with the sum written as exponent.

\begin{center}&#10;\begin{tabular} {| c || c | c | c | c | c | c |}&#10;& 1 & 2 & 3 & 4 & 5 & 6 \\ [1ex]&#10;1 & \{1,1\}^2 & \{1,2\}^3 & \{1,3\}^4 & \{1,4\}^5 & \{1,5\}^6 & \{1,6\}^7 \\ &#10;2 & \{2,1\}^3 & \{2,2\}^4 & \{2,3\}^5 & \{2,4\}^6 & \{2,5\}^7 & \{2,6\}^8 \\ &#10;3& \{3,1\}^4 & \{3,2\}^5 & \{3,3\}^6 & \{3,4\}^7 & \{3,5\}^8 & \{3,6\}^9 \\ &#10;4 & \{4,1\}^5 & \{4,2\}^6 & \{4,3\}^7 & \{4,4\}^8 & \{4,5\}^9 & \{4,6\}^{10} \\ &#10;\end{tabular}&#10;\end{center}
\begin{center}&#10;\begin{tabular} {| c || c | c | c | c | c | c |}&#10;5& \{5,1\}^6 & \{5,2\}^7 & \{5,3\}^8 & \{5,4\}^9 & \{5,5\}^{10} & \{5,6\}^{11} \\ &#10;6 & \{6,1\}^7 & \{6,2\}^8 & \{6,3\}^9 & \{6,4\}^{10} & \{6,5\}^{11} & \{6,6\}^{12} \\ &#10;\end{tabular}&#10;\end{center}

From the table it can be seen that the sums: 2 and 12 appeared only once and hence will represent the shortest bars if the distribution is represented in a bar chart.

Therefore, the <span>two sums that are represented by the shortest bars on a bar graph of this distribution</span> are 2 and 12.
5 0
4 years ago
What is 373 out of 500 simplified
siniylev [52]
You can not simplify it because they both are prime numbers 
5 0
3 years ago
2. What is the surface area of the ball shown?
weqwewe [10]
127.17 because 9x9=81 and 81x3.14=254.34 then divide by 2 and it’s equal 127.17
4 0
2 years ago
I need help!How would i find the value of X?
N76 [4]
It is a 90° angle from up to right and 65 makes up part of it so 90-65=25
8 0
3 years ago
Read 2 more answers
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