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PolarNik [594]
3 years ago
9

You believe the population is normally distributed and you know the standard deviation is σ = 6.9 σ = 6.9 . You obtain a sample

mean of M = 64.4 M = 64.4 for a sample of size n = 32 n = 32 . What is the critical value for this test?
Mathematics
1 answer:
kaheart [24]3 years ago
8 0

The critical values is 16

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Is the following statement a good definition? Why? An integer is divisible by 100 if and only if its last two digits are zeros.
kifflom [539]
The given statement is:
An integer is divisible by 100 if and only if its last two digits are zeros

The two conditional statements that can be made are:

1) If an integer is divisible by 100 its last two digits are zeros.

This is a true statement. If a number is divisible by 100, it means 100 must be a factor of that number. When 100 will be multiplied by the remaining factors, the number will have last two digits zeros. 

2) If the last two digits of an integer are zeros, it is divisible by 100.

This is also true. If last two digits are zeros, this means 100 is a factor of the integer. So the number will be divisible by 100.

Therefore, the two conditional statements that are formed are both true.

So, the option A is the correct answer.
Yes, it is. When the definition is separated into two conditional statements, both of the statements are true
6 0
3 years ago
Can u help me -32=4c-12
zvonat [6]
-32 = 4c -12
add -34 by 12 which is -20
divide it by 4
c = -5
6 0
3 years ago
Read 2 more answers
Store A sells 6 totes for $53.70. Store B sells 8 of the same totes for $71.60. Which store sells the toes for the lower unit pr
Alenkasestr [34]
Divide 53.70 by 6 to give you 8.95 and divide 71.60 by 8 to give you 8.95 so they sell it for the exact same unit price
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3 years ago
NEED HELP ASAP PLEASE!!!!!!!!!!!!!!!!!!
Gnoma [55]

Answer:C

Step-by-step explanation:

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If Kara's cat weighs 15 pounds and Molly's cat weighs 8 pounds, how much heavier is Kara's cat than Molly's cat? 7
marta [7]

Answer:

7 pounds

Step-by-step explanation:

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