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Scilla [17]
3 years ago
13

The first stage in the rational decision-making process involves ______.

Mathematics
1 answer:
expeople1 [14]3 years ago
3 0

Answer:

Identifying the problem

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23. Drug Testing Job Applicants Find the probability of selecting someone who uses drugs.
Dovator [93]

Answer:

Step-by-step explanation:

7 0
3 years ago
Researchers are studying two populations of sea turtles. In population D, 30 percent of the turtles have a shell length greater
jeka57 [31]

Answer:

a. 0.1917

b. 0.0914

d. 0.1580

Step-by-step explanation:

(a)

 P^D = \frac{15}{40} = 0.375

 P^E = \frac{11}{60} =0.8133

Mean, \sigma_{P^D-P^E} = P^D-P^E = 0.375 -0.1833 = 0.1917

(b) sample prop ? Show your work and label each value.

Mean,   =  = 0.1917

Standard deviation = \sqrt{\frac{P^D(1-P^D)}{N_D} +\frac{P^E(1-P^E)}{N_E} }

Standard deviation =  \sqrt{\frac{0.375(1-0.375)}{40} +\frac{0.1833(1 - 0.1833)}{60} }

Standard deviation = 0.0914

(c)

Normality condition:

np ≥ 10 and n(1-p) ≥ 10

Both the samples satisfy the normality condition.

(d)

The probability is obtained by calculating the z score,

z = \frac{(P^D-P^E)-(P^d-P^e)}{\sigma_{P^D - P^E}}

z = \frac{0.1917-0.1}{0.0914} = 1.0029

P(z > 1.0029) = 1 - P(z ≤ 1.0029)

The probability is obtained from the z distribution table,

P(Z > 1.0029) = 1 - 0.8420 = 0.1580

3 0
3 years ago
A baseball is thrown upward and its height after t seconds can be described by formula h(t)=−16t2+50t+5. Find the maximum height
asambeis [7]

h(t) = -16t² + 50t + 5

The maximum height is the y vertex of this parabola.

Vertex = (-b/2a, -Δ/4a)

The y vertex is -Δ/4a

So,

The maxium height is -Δ/4a

Δ = b² - 4.a.c

Δ = 50² - 4.(-16).5

Δ = 2500 + 320

Δ = 2820

H = -2820/4.(-16)

H = -2820/-64

H = 2820/64

H = 44.0625

So, the maxium height the ball will reach is 44.0625

5 0
4 years ago
Hello help me please
Crank

Answer:

y = 1

x = -3

Step-by-step explanation:

9x + 2y = 3

-x - y = -12 (multiply second equation with 9)

9x + 2y = 3

-9x - 9y = - 108 (add these to up)

-7y = -105

y = 15 use this to find x

9x + 2y ➡ 9x + 30 = 3 ➡ 9x = -27 ➡ x = -3

6 0
3 years ago
Use this table to answer questions below. Choose the correct answer.
Nuetrik [128]

Answer:

The answer is 1954

Step-by-step explanation:

6 0
3 years ago
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