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klio [65]
3 years ago
5

Why would a statistician consider an inference incomplete without an accompanying measure of its​ reliability?

Mathematics
1 answer:
beks73 [17]3 years ago
8 0

Answer:

An inference without a measure of reliability is nothing but a guess. The measure of reliability separates the science of statistics from the art of story telling. It gives a statistician a level of confidence that an inference made can to a reasonable extent be trusted

Step-by-step explanation:

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A bag contains 6 red balls and blue balls. 4 balls are selected at random. find the probability of selecting 4 red balls.
masya89 [10]

Another way is to note that there are <span><span>(<span>104</span>)</span><span>(<span>104</span>)</span></span> (“10 choose 4”) ways to select 4 balls from a collection of 10. If 4 of those 10 balls are “special” in some way (in this case, “special” = “red”), then the number of ways to choose 4 special balls is <span><span>(<span>44</span>)</span><span>(<span>44</span>)</span></span>. (The factor of <span><span>(<span>60</span>)</span><span>(<span>60</span>)</span></span> is included to convey that, after choosing 4 special balls, we choose none of the 6 non-special balls.) This line of reasoning gives the second expression.

8 0
3 years ago
A car dealership sold 84 cars in April. The dealership wants to increase the number of cars sold by 25% in May. How many cars wi
Agata [3.3K]

Answer:

The car dealer must sell 105 cars in May to reach his goal.

Step-by-step explanation:

Given that the car dealer sold 84 cars in April, and wants to increase his May sales by 25%, to determine the number of cars he must sell to reach his goal it is necessary to perform the following calculation:

84 + (84 x 0.25) = X

84 + 21 = X

105 = X

Therefore, the car dealer must sell 105 cars in May to reach his goal.

8 0
2 years ago
Work out the question ? <br><br> 4 1/2 - 1 1/3=
vaieri [72.5K]

Answer:

Today: Tuesday, 12th January 2021

16.31 PM

\tt 4 \frac{1}{2}  - 1 \frac{1}{3}

=  \tt \frac{9}{2}  -  \frac{4}{3}

=  \tt  \frac{27 - 8}{6}

\tt  =  \frac{19}{6}

{\orange{\boxed{\red{ \tt  = 3 \frac{1}{6} }}}}

6 0
2 years ago
It will cost $73 perhour to rent a sailboat and $88 to rent a ski boat.how much more will it cost to rent a ski boat than a sail
seraphim [82]
Well we want to find out how much more will it cost to rent a ski boat than a sailboat for four hours. 

All we have to do is Multiply 73 by 4 for the sailboat which gives you $292 

Now we do the same for the ski boat. $88 * 4 = $352 

So we now have to find out how much more it will cost for a ski boat than a sail boat. All we do is subtract 352 by 292 

352
-
292
====
$60 

Your answer is $60
4 0
3 years ago
What’s the missing angle
charle [14.2K]

Answer:

the answer will be 28

Step-by-step explanation:

180-47-31=102

since vertical angles have the same value the top angles for both triangles will be 102 degrees

102+50=152

180-152=x

28=x

7 0
3 years ago
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