darkdragon67
25.04.2020 •
Mathematics
4.5.35
= Question Help
Sarah Meeham blends coffee for Tasti-Delight. She needs to prepare 120 pounds of blended coffee beans selling for $4.44 per pound. She plans to do this by
blending together a high-quality bean costing $5.25 per pound and a cheaper bean at $2.00 per pound. To the nearest pound, find how much high-quality coffee bean
and how much cheaper coffee bean she should blend.
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Ответ:
0.1312
Step-by-step explanation:
Given: The proportion of population has a retirement account : p = 0.48
Sample size : n = 632
Let q be th sample proportion.
The probability that the proportion of persons with a retirement account will differ from the population proportion by greater than 3% will be :-
Hence, the required probability = 0.1312