Answer: 0.8137
Step-by-step explanation:
As per given , we have

Sample size : n= 47
Let
be the sample mean o.
Then, the probability that the mean of a sample of 47 families will be between 16.6 and 17.6 pounds will be :


[∵
]

[By using p-value calculator]

Hence, the probability that the mean of a sample of 47 families will be between 16.6 and 17.6 pounds= 0.8137
Answer:
b
Step-by-step explanation:
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Answer:
Step-by-step explanation:
1/2 bh
1/2 x 7 x 9
= 31.5 cm^2
The answer is 4600 I USED MENTAL MATH
ANSWER = c. 63°
EXP:
>ABC = 1/2(x + y)