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lakkis [162]
3 years ago
5

The state’s Gaming Control Board does random inspections of casino games. An inspector observed 40 spins of the roulette wheel i

n a certain casino, and she recorded whether the result was a red number ("r") or a black number ("b"). (Assume that none of these results was a "0" or "00," which are green numbers.) Her observations are given below (the first row has the first 20 observations, and the second row has the next 20 observations). At the 0.05 significance level, test the claim that the red and black numbers occur in a random order. b r r b b r b r b r b r r b r b b b b b r r r r r r b r r r b r b r r r b r b b Identify the value of the TEST STATISTIC used in the hypothesis test of this claim.
Mathematics
1 answer:
solniwko [45]3 years ago
7 0
Ddffdzszksjndbdbd xbsns
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Sarah hiked a path that took her from 34 feet below sea level to 52 feet above sea level . What was the change in her elevation?
Ugo [173]

Answer:

86 ft

Step-by-step explanation:

<em>First method: Logical thinking</em>

Think of the position 34 ft below sea level as -34.

The position above sea level is 52.

You need to find the distance between -34 and 52.

You go from 34 ft below sea level, -34 to 0. That is 34 ft.

Then you go from sea level, 0 ft, to 52 ft above sea level. That is 52 ft.

The total is 34 ft + 52 ft = 86 ft

Answer: 86 ft

<em>Second method: Calculate a distance in math</em>

The distance between two points on a number line is the absolute value of the difference of their coordinates. The coordinates are -34 and 52. Subtract the numbers in either order, and take the absolute value of the difference.

|-34 - 52| = |-86| = 86

If you did it in the other order, you'd get the same answer.

|52 - (-34)| = |52 + 34| = |86| = 86

Answer: 86 ft

4 0
3 years ago
The equation of line p is y=ax+b. Which of these could be the equation of line q? A.y=−3a(x+6)+b
Ilia_Sergeevich [38]
The slope of line q is that of line p scaled by a factor of 3 (not -3). The y-intercept of line q is 6 less than the y-intercept of line p. The appropriate choice is
  D. y = 3ax +b -6
7 0
3 years ago
Read 2 more answers
Find the area for the circle below<br>A. 61.42<br>B. 36.25<br>C. 78.54<br>D. 108.85​
Lorico [155]
C
Source: trust me bro
8 0
3 years ago
A company has two large computers. The slower computer can send all the company's email in 60 minutes. The faster computer can c
Lelu [443]

Answer:

If both computers are working together, it will take 24 minutes to do the job

Step-by-step explanation:

It is given that,

There are two computers.The slower computer can send all the company's email in 60 minutes.

The faster computer can complete the same job in 40 minutes

<u>To find the LCM of 40 and 60</u>

LCM (40, 60) = 120

<u>To find efficiency of 2 computers</u>

Let x be the efficiency of faster computer and y be the efficiency of faster computer

x = 120/40 = 3

y = 120/60 = 2

then, x + y = 3 + 2 = 5

Therefore efficiency of both the computer work together = x + y =5

<u>To find the time taken to work both the computer together</u>

time = 120/5 = 24 minutes

4 0
3 years ago
Leena bought 14 yards of wire. How many inches of wire did she buy? (1 yard = 36 inches)
Anastasy [175]

Answer:

D

Step-by-step explanation:

1 yard=3 feet=36

14 yards x 36= 504

14 yards = 504 inches

mark as brainliest :)

7 0
3 years ago
Read 2 more answers
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