Answer:
the answer to x is 4
Step-by-step explanation:
.
Answer:
6.8
Step-by-step explanation:
Answer:
9.5
Step-by-step explanation:
Find the sample variance for the data 9,12,9,14,6. Round the answer to one decimal place. Sample variance.
Step 1
We find the Mean of the numbers
Mean = Sum of terms/ Number of terms
Mean = 9+12+9+14+6/5
= 50/5
= 10
Step 2
We find the sample variance
Formula =
(x - Mean)²/n - 1
n = 5
= (9 - 10)²+(12 -10)²+(9- 10)²+(14-10)²+(6-10)²/5 - 1
= 1+ 4+ 1+ 16+16/5 - 1
= 38/5 - 1
= 38/4
= 9.5
Therefore, Sample variance = 9.5
Yes. It is equivalent to 3. Combine like terms
Total number of cards = 52
Total number of kings or queens = 8
P(King or Queen) = 8/52 = 2/13
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Answer: The probability is 2/13.
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