Assume the given distributions are normal. The mean income per household in a certain state is $9500 with a standard deviation of $1750. The middle 95% of incomes are between what two values? A. $5422 and $13,578 B. $6070 and $12,930 C. $6621 and $12,379 D. $7260 and $11,740 E. $8049 and $10,951
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Assume the given distributions are roughly normal. The mean income per household in a certain state is $\$ 9500$ with a standard deviation of $\$ 1750 .$ The middle $95 \%$ of incomes are between what two values? (A) $9500 \pm 1.645(1750)$ (B) $9500 \pm 1.96(1750)$ (C) $9500 \pm 1.645\left(\frac{1750}{2}\right)$ (D) $9500 \pm \frac{1750}{1.645}$ (E) $9500 \pm \frac{1750}{1.96}$
Sampling Distributions
Quiz 21
Jason H.
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