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Licemer1 [7]
3 years ago
12

Is the number of people with blood type upper a in a random sample of 38 peoplenumber of people with blood type a in a random sa

mple of 38 people a discrete random​ variable, a continuous random​ variable, or not a random​ variable?
Mathematics
2 answers:
stepladder [879]3 years ago
6 0

Answer:

yes

Step-by-step explanation:

d1i1m1o1n [39]3 years ago
4 0
That would be a discrete random variable
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Simplify the expression and choose the appropriate result.<br> 3 (2+39)
dusya [7]

Answer:

setup below, you'll have to do the final calculation

Step-by-step explanation:

first perform the operation in parenthesis

2+39= 41

then do the multiplication 3 x 41

in general do calculations in this order

1. Parenthesis

2. Multiplication

3. Division

4. Addition

5. Subtraction

working from left to right

6 0
3 years ago
The amount of snow on the ground increased by 4 inches between 4 p.m and 6 p.m. If there was 6 inches of snow on the ground at 4
Vera_Pavlovna [14]
10 inches because at 4 pm it was 6 inches but since it says it increases 4 inches during the times 4 PM through 6 PM it should've gone up another 4 inches. 6 plus 4 equals 10. ?????????
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4 years ago
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3 0
3 years ago
The heights of women aged 20 to 29 are approximately normal with mean 64 inches and standard deviation 2.7 inches. men the same
Artyom0805 [142]
<span>To find the z-scores, find the difference in the number of inches for each value from the mean and then divide that by the standard deviation. For women at 72 inches (6'), this would be (72-64) / 2.7, or a z-score of +2.963. For a male at 72 inches, this would be (72-69.3)/2.8, or +0.964. This shows that the woman at 6 feet tall is more rare in the distribution than a man at 6 feet tall.</span>
5 0
3 years ago
Determine whether this situation represents independent or dependent events. "Three green jelly bean, five red jelly beans and t
igor_vitrenko [27]

Answer:

Independent Events

Step-by-step explanation:

Given

Green = 3\\ Orange = 2\\ Red = 5

Required

Dependent or independent event

The probability of selecting a green jelly remains unchanged before and after selecting the first orange jelly.

<u>Before selecting the orange jelly:</u>

P(Green) = \frac{Green}{Total}

P(Green) = \frac{3}{10}

<u>After selecting the orange jelly:</u>

P(Green) = \frac{Green}{Total}

P(Green) = \frac{3}{10}

Because the probabilities remain unchanged, the selection of a green jelly is independent of the selection of the first orange jelly.

5 0
3 years ago
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