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Te difference of 2 standard deviation of a population n1 & n2 is given by the formula:
sigma (difference)=√(sigma1/n1 + sigma2/n2), Plug:
sigma(d)= √(49/100 + 36/50)
Sigma(d=difference) =1.1
Answer: T-birds and bulldogs
Explanation:
T-bird has 15 win and 5 lose so the ratio is 15/5 = 3
Bulldogs has 12 win and 4 lose so the ratio is 12/4 = 3
Therefore, their ratio are equivalent
Answer:
Step-by-step explanation:
12inches/foot , 12x132=1,584 inches
