Answer:
10
Step-by-step explanation:
7*2 - 2*2 = 14 - 4 = 10
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Answer:
0.0009
Step-by-step explanation:


n = 8
This is the left tailed test .
The null and alternative hypothesis is ,


Test statistic = z=-3.12 from the table.
P(z <-3.12 ) = 0.0009
P-value =0.0009
Answer: There is 48.14% of dogs are male .
Step-by-step explanation:
since we have given that
Total number of dogs = 37
Number of dogs that are female = 24
Number of dogs that are male is given by

We need to find the percentage of dogs are male:
So, Percentage of the dogs are male is given by

Hence, there is 48.14% of dogs are male .
Answer:
280
Step-by-step explanation:
<1=100 <4=150 <3=30
mADB=100+150+30=280