Answer is b. 54
Because 0.45 × 120 = 54
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You find the product of 0.8x2 by doing this: (Image)
Answer:
Step-by-step explanation:
Let x be the normal body temperature
X is N(99, sigma)
Sample mean x bar = 98.2 and s = 0.63
Margin of error = Z critical * 0.63 = 1.95 *0.63 = 1.2285
It is safe since 1.5 <1.96 critical value of z at 95%
1 pound = 16 ounces.
there are 3 ponds and 6 ounces
3 * 16 = 48
48 + 6 = 54
Nancy bought 54 ounces of ground chunk beef
