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Greeley [361]
3 years ago
10

Three couples and two single individuals have been invited to an investment seminar and have agreed to attend. Suppose the proba

bility that any particular couple or individual arrives late is 0.32 (a couple will travel together in the same vehicle, so either both people will be on time or else both will arrive late). Assume that different couples and individuals are on time or late independently of one another. Let X = the number of people who arrive late for the seminar.
Required:
a. Determine the probability mass function of X.
b. Obtain the cumulative distribution function of X.
Mathematics
1 answer:
vladimir1956 [14]3 years ago
3 0

Answer:

A

Step-by-step explanation:

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Answer:

10

Step-by-step explanation:

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4 0
3 years ago
Rico can walk 3 miles in the same amount of time that Donna can walk 2 miles. Rico walks at a rate 2 miles per hour faster than
tatyana61 [14]

Answer:

13

Step-by-step explanation:

Donna's Rate is R

Rico's Rate is R+2

\frac{R}{R+2}=\frac{2}{3}

Cross-Multiply

2(R+2)=32

2R+4=3R

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Donna's Rate is R=4

Rico's Rate is R+2=6

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5 0
3 years ago
The coordinates of A are (1/4,3). The coordinates of B are (1/2,4.5). If the x-coordinate of C is 7/4, what is its y-coordinate
vagabundo [1.1K]

Answer:

10.5

Step-by-step explanation:

Given

A = (1/4, 3)

B = (1/2, 4.5)

To get the coordinate of C as 7/4, what was done was to first take the difference in the x coordinates and then dilate the result by 7

To get the y coordinate;

  • Take the difference in the coordinate

Difference = 3 - 4.5

Difference = -1.5

  • Dilate the result by factor of 7

This is done y multiplying the result by 7;

y coordinate = 1.5 * 7

y coordinate = 10.5

Hence its y-coordinate is 10.5

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3 years ago
The ratio of the number of cookies to the number of pastries in a box is 3:2. Which table shows the possible amounts of cookies
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4 years ago
A running track has two semi-circular ends with radius 29m and two straights of length 91.3m as shown.
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Answer:

Step-by-step explanation:

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3 years ago
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