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Jobisdone [24]
3 years ago
5

The probability distribution for a random variable x is given in the table.

Mathematics
1 answer:
Hoochie [10]3 years ago
7 0

Answer: 0.79

Step-by-step explanation:

I will suppose that this is not a continuos probability, as the individual probabilites add up to 100%.

If you want to obtain the probability that x ≤ 0, then you need to add the probability for the cases x= 0, x = -1, x = -2 .... etc

This is:

x = 0, p = .16

x = -2, p = .33

x = -3, p = .13

x = -5, p = .17

Then, the probability where x takes a negative value or zero {-5, -3, -2, 0} is:

P = 0.16 + 0.33 + 0.13 + 0.17 = 0.79

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Scott buys candy that costs $7 per kilogram. He will spend at least $35 on candy. What are the possible numbers of kilograms he
slega [8]

Answer:

<em>p ≥ 5</em>

<em>Scott will buy at least 5 kilograms of candy.</em>

Step-by-step explanation:

<u>Inequalities</u>

The candy Scott buys cost $7 per kilogram.

Let's set p=number of kilograms of candy Scott will buy.

The money spent to buy p kilograms of candy is 7p dollars.

The condition states he will spend at least $35 on candies, thus the following inequality is formed:

7p ≥ 35

Dividing by 7:

p ≥ 35/7

Operating:

p ≥ 5

Scott will buy at least 5 kilograms of candy.

3 0
3 years ago
I need help a problem 11
Dimas [21]

Answer:

x=5

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
What is the IQR (interquartile range) of the data set? 33, 37, 45, 61, 64, 67
Nataly_w [17]

solution is first os all find median

median is( 45+61)/2=53

find median of no in left of 53

it is 37

find median of no in right of 53

it is 64

now interquartile range=64-53=27

4 0
3 years ago
Calculate the rate of change of the linear function that contains the points
Mandarinka [93]

Answer:

-2

Step-by-step explanation:

X1 Y1 X2 Y2

(-15, 30) (7, -14)

Y2-Y1 = -14-30 = -44 = -2

———————————————

X2-X1 = 7-(-15)= 22 = 1

3 0
3 years ago
Is 92 1/2 pounds equivalent to 1,480 ounces
kow [346]
Hi there!

Since

16 ounces = 1 pound,

We should divide 1480 by 16 and see if it equals 92.5.

1480 ÷ 16 = 92.5
92.5 = 92.5

Answer:
Yes.

Hope this helps!
8 0
2 years ago
Read 2 more answers
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