A survey showed that the probability that an employee gets placed in a job that is suitable for the employee is 0.65. A psychometric test consultant claimed that he could help place any employee in a suitable job based on the result of a psychometric test. An employee working in a particular company decides to take this test. The test has an accuracy rate of 70%. This data is represented in the tree diagram.The probability that the employee is in the wrong job and the test predicts that he is in the wrong job is .

A. 0.105

B. 0.195

C. 0.245

D. 0.455

Answers

Answer 1

Answer: Answer would be A)0.105.

Answer 2

Answer: The answer to this question is a.

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What is the value of 3.5 (11) + 1.9 (11) + 1.6 (11)40774,0969,317

4a+b-3=2b
is this a linear equation?

Answers

$4a+b-3=2b\n\n4a-3=2b-b\n\nb=4a-3\n\nthis\ is\ a\ linear\ eqation$

Graph the solution of the inequality –3(x + 1) ≤ 6 on the number line.A. Number lines from minus five to five five by increament of one from left to right and each tick mark is labeled. Shaded part from close circle at minus three to infinity
B. Number lines from minus five by increament of one from left to right and each tick mark is labeled. Shaded part from open circle at minus three to infinity
C. Number lines from minus five by increament of one from left to right and each tick mark is labeled. Shaded part from minus infinity to close circle at minus three
D. Number lines from minus five by increament of one from left to right and each tick mark is labeled. Shaded part from minus infinity to open circle at minus three

Answers

Answer: Choice A

Explanation

Let's solve for x.

$-3(\text{x}+1) \le 6\n\n-3\text{x}-3 \le 6\n\n-3\text{x} \le 6+3\n\n-3\text{x} \le 9\n\n\text{x} \ge 9/(-3) \ \ \text{ ....... inequality sign flip}\n\n\text{x} \ge -3\n\n$

The inequality sign flips whenever we divide both sides by a negative number.

The number line graph will have a closed filled in circle at -3 and shading to the right. This will visually mean "The solution set is either x = -3 or x > -3". In other words, we can pick -3 or larger.

The diagram is shown below.

The diagram matches with answer choice A

the angle of depression from a plane to the airport is 34°. the pilot reports that the plane's altitude is 3200 feet . find the horizontal distance between the plane and the airport to the nearest foot

Answers

$look\ at\ the\ picture\n\ncot34^o=(x)/(3200)\n\ncot34^o\approx1.4826\n\n(x)/(3200)=1.4826\ \ \ \ /\cdot3200\n\nx=4744.32\ (ft.)\approx4744\ (ft.)\leftarrow answer$

Given f(x)=x^2+3 and g(x)=x+5/x. Find (g o f)(4)

Answers

To find g(f(4)), work from the inside out.

f(4) is 4^2+3, or 16+3, or 19. Now, we must find g(19).

This is 19+5/19. This is already a mixed number, though if you want an improper fraction solution, we have:

361/19+5/19

Which simplifies to:

366/19

Therefore, 366/19 is the answer.

A circular patio has a radius of 18 feet.What is the longest distance across the patio?
A.
9 ft
B.
18 ft
C.
36 ft
D.
54 ft

Answers

The longest distance of a circle is its circumference.

Circumference = π d
d = diameter is twice the radius

C = 3.14 * 2 * 18ft
C = 3.14 * 36 ft
C = 113.04 ft

However, with the choices we only need to get the diameter as the longest distance from one end of the circular patio to the other.

d = 2 r
d = 2 * 18ft
d = 36 ft. CHOICE C.

We have some clues here.

'longest distance' could mean Diameter.

r*2= d
radius = 18 feet
18*2 = 36

d = 36

The answer would be: 36 ft

What is the arithmetic mean of the following numbers?
9, 10, 6, 5, 6

Answers

Answer: 7.2

Step-by-step explanation: Mean= (sum of observations/number of observations)

=(5+6+6+9+10)/5

=(36)/5

=7.2

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