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drek231 [11]
1 year ago
7

Kurtosis of a normal data distribution is a ___________________ Group of answer choices Measure of data centrality Measure of da

ta quality Measure of data shape Measure of data dispersion
Mathematics
1 answer:
Irina18 [472]1 year ago
5 0

Answer:

Option A, Measure of data centrality

Step-by-step explanation:

Normal distribution curve determines the skewness of the data as to what extent is is disoriented from the normal distribution curve. Also, it is the probability distribution curve that determines whether the data set is two legged, one legged or it lies under which probability curve.

Hence option A is correct

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Answer:


Step-by-step explanation:

Given that Miguel is playing a game

The box contains 4 chips, 2 with number 1, and other two differntly numbered as 3 and 5.

OUt of these 4, 2 chips are drawn

P(drawing same number) = 2C2/4C2 =\frac{1}{6}

Prob (drawing differnt numbers) = 1-1/6 =\frac{5}{6}

Hence prob of winning 2 dollars = \frac{1}{6}

Prob of losing 1 dollar = \frac{5}{6}

b) Expected value = sum of prob x amount won

= \frac{1}{6}2+\frac{5}{6}(-1)=-\frac{1}{2}

c) Miguel can expect to lose 1/2 dollars for every game he plays

d) If it is to be a fair game expected value =0

i.e. let the amount assigned be s

Then \frac{1}{6}s-\frac{5}{6}=0\\s=5

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1 year ago
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A restaurant will select 1 card from a bowl to win a free lunch. Jo puts 5 cards in the bowl. The bowl has 100 cards. What are t
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Answer:

1/20

Step-by-step explanation:

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1 year ago
the cost of an annual tuition at a university increased from 10,500 to 11,300 what is the percent increase in tuition to the nea
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find increase first
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so
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percent means parts out of 100
0.0761/1 times 100/100=7.61/100=7.61%

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7.6%

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Step-by-step explanation:

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1 year ago
Frank has three times as many dollars as Deandra, and Charlie has 20 more dollars than Frank. If Charlie has $65, how much money
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Answer:

$15

Step-by-step explanation:

Let Frank be f

Deandra be d and

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f = 3d ......(i)

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c=$65........(iii)

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Equate (i) and (iv)

3d = $45

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