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Ainat [17]
3 years ago
7

WILL GIVE BRAINLIEST

Mathematics
2 answers:
Dahasolnce [82]3 years ago
8 0
The location used for sampling is biased
alexira [117]3 years ago
8 0

Answer:

THE ANSWER IS C

MARK ME BRAINLIEST

Step-by-step explanation:

You might be interested in
Explain why 0.25x0.4 has only one decimal place in the product.
Irina-Kira [14]

Answer:

0.1 is the answer of that equation but 0.1 can also be written as 0.100 or 0.10000 or and amount of zero just when you have zeros in the decimal places you usally dont count them so 0.100 is the same as 0.1 the same would also call for somthing like 0.40000 it can be written as 0.4 instead.

7 0
3 years ago
An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a d
Anika [276]

Answers:

P(A) = 7/12

P(B) = 1/4

====================================================

Explanation:

Instead of having one die, let's say we have two dice. I'll make one red and the other blue.

I'll be using the dice chart shown below. The red and blue values add up to the black numbers inside the table. For instance, we have 1+1 = 2 in the upper left corner. There are 6*6 = 36 sums total.

Using that table, we can see the following:

  • There are 6 copies of "7"
  • There are 5 copies of "8"
  • There are 4 copies of "9"
  • There are 3 copies of "10"
  • There are 2 copies of "11"
  • There is 1 copy of "12"

In total, we have 6+5+4+3+2+1 = 21 instances where the two dice add to something larger than 6.

This is out of 36 ways to roll two dice.

Therefore P(A) = 21/36 = (3*7)/(3*12) = 7/12

-----------------------------------

If a number is divisible by 4, then it is a multiple of 4.

The multiples of 4 found in the table are: 4, 8, 12

We have

  • 3 copies of "4"
  • 5 copies of "8"
  • 1 copy of "12"

This gives 1+5+3 = 9 values that are a multiple of 4

P(B) = 9/36 = (1*9)/(4*9) = 1/4

8 0
2 years ago
A local high school has both male and female students.
Kitty [74]

Answer:

a. P(male) = 0.4

b. P(no sport and male) = 0.1

c. Unclear question (isn't it the same as b.?)

Step-by-step explanation:

The data below is what I've worked according to, which isn't very clear from the question so the answers are only correct if this is the correct table of data;

\left[\begin{array}{ccc}&No \ Sports&Sports\\Female&10&32\\Male&7&21\end {array}\right]

a.

P(male) = \frac{7 + 21}{70} \\\\ = \frac{28}{70} \\\\ = \frac{2}{5}

b.

Using the tree diagram in the picture;

P(no \ sport \ and \ male) = \frac{2}{5} * \frac{1}{4} \\\\ = \frac{1}{10}

8 0
2 years ago
The difference of a number T and 7 is greater than 10 and less than 20
natulia [17]
The answer is 20>t-7>10
5 0
3 years ago
A courier originally had 5 packages to deliver. Suppose x represents the number of packages she has delivered so far and y repre
Olenka [21]

Answer:

A,E,F

Step-by-step explanation:

5 0
2 years ago
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