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3 years ago

Which of the following do indexes and scales have in common?

Mathematics

1 answer:

statuscvo [17]3 years ago

4 0

Answer:

c.They rank-order the units of analysis in terms of specific variables

Step-by-step explanation:

An index is a way of compiling one score from a variety of questions or statement that represents a belief, feeling or attitude.

Scales on the other hand measure levels of intensity at a variable level like how much a person agrees or disagrees with a particular statement.

The one thing common to both indexes and scales is that

They rank-order the units of analysis in terms of specific variables.

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Two cards are drawn without replacement from a standard deck of 52 playing cards. What is the probability of choosing a red card

joja [24]

Answer: $\dfrac{3}{51}$

Step-by-step explanation:

Given : The total number of cards in a deck = 52

Number of red cards = 26

There are two types of red cards : diamond and heart.

Number of diamond cards = 13

The probability that the first card is a diamond :-

$\dfrac{13}{52}=\dfrac{1}{4}$

Since diamond is also a red card.

Now, the total cards left = 51

The number of red cards left = 12

The probability that the second card is a red card (without repetition) is given by :-

$\dfrac{12}{51}$

Now, the probability of choosing a red card for the second card drawn, if the first card, drawn without replacement, was a diamond :-

$\dfrac{1}{4}\times\dfrac{12}{51}=\dfrac{3}{51}$

7 0

3 years ago

Can I get some more help

NikAS [45]

Answer: C

Explanation:

Sqrt 9 x sqrt 4 = sqrt 9 x 4

6 0

3 years ago

Read 2 more answers

20 + 2(3-5)^2 + 30/10 x 3

KonstantinChe [14]

20 + 2*(3-5)^2 + (30/10)*3

20 + (2*[-2])^2 + (3*3)

20 + (-4)^2 + 9

29 + 16

Note that * is used to signify multiplication.

5 0

3 years ago

#16. Do the ordered pairs (-5,19), (-1,7),(3,-5),(6,-14), and (9,-23) represent a linear function? How do you know?

Valentin [98]

Yes but I don't know how to explain i wish i could help more sorry

6 0

3 years ago

Please help!!! i’m not the best at math like at all so this would be very much appreciated

Zarrin [17]

Answer:

Hello! Your answer is ,19 and 10

Step-by-step explanation:

Hope I helped! Brainiest plz! Have a nice day!♥ Hope you make a 100% -Amelia

4 0

3 years ago