keke6361
04.11.2021 •
Mathematics
How long is the shortest piece of string that can be cut into lengths of 18 cm, 14 cm, and 9 cm
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Ответ:
0.3632
Step-by-step explanation:
Standard error of p = sqrt (0.29 x 0.71/200) = 0.032
z value corresponding to X=0.25 is
z = (0.29 - 0.25) / 0.032 = 1.25
The area under the standard normal curve left to z = 1.25 indicates the required probability = 0.3632