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Sladkaya [172]
3 years ago
8

Help please (will give brainliest)

Mathematics
1 answer:
olga55 [171]3 years ago
5 0
Maybe step 1, It do not increase, but multiplied
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A researcher is comparing the effectiveness of three devices designed to help people who snore. There are 210 people who snore p
hjlf

Answer:

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Step-by-step explanation:

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3 years ago
The number of candies in bags of the same size is normally distributed with a mean of 145 candies and a standard deviation of 3
Virty [35]

Answer:

<u>The correct answer is A. 109</u>

Step-by-step explanation:

1. Let's review all the information given to answer the question correctly:

Mean of candies in bags = 145

Standard deviation = 3

Number of bags of candies on a shelf = 160

2. About how many bags of candies are expected to have between 142 candies and 148 candies?

Let's recall that in a normal distribution, the 68.2% of the sample or the population is between minus one and plus one time the standard deviation.

For our case, the 68.2% of the bags of candies are expected to have between minus one time the standard deviation (145 - 3) and plus one time the standard deviation (145 + 3).

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6 0
3 years ago
-Question Worth 50 Points-
Naddika [18.5K]
<span>At the city park there were 15 blue jays, 6 cardinals, and 9 mockingbirds. 

6 mockingbirds is 2/3 of 9
so 2/3 of 6 is 4 cardinals 

5 blue jays is 1/3 of 15
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3 years ago
An auto license plate consists of 6 digits; the first three are any letter (from the 26 alphabets), and the last three are any n
tamaranim1 [39]

Answer: There are 17576000 ways to generate different license plates.

Step-by-step explanation:

Since we have given that

Numbers are given = 0 to 9 = 10 numbers

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Since there are repetition allowed.

We would use "Fundamental theorem of counting".

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26\times 26\times 26\times 10\times 10\times 10\\\\=26^3\times 10^3\\\\=17576\times 1000\\\\=17576000

Hence, there are 17576000 ways to generate different license plates.

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