Random sampling research has been conducted for studying quality of products manufactured by a firm. Simple...
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Random sampling research has been conducted for studying quality of products manufactured by a firm. Simple sample of 150 products has been observed and 12 of them have been turned out nonstandard. At significance level a=0.05 test the hypothesis whether the quality of the production meet the standard according which the proportion of nonstandard products should not exceed 5% of all produced. Answer A) Ho is confirmed, thus at a-0,05 there is statistically significant difference between proportion of nonstandard products in the studied batch and the standard. Answer B) Ho is confirmed, thus at a=0,05 the proportion of nonstandard products in the studied batch is larger than the standard. Answer C) Ho is confirmed, thus at a=0,05 there is no statistically significant difference between proportion of nonstandard products in the studied batch and the standard. Answer D) Hi is confirmed, thus at 0-0,05 there is no statistically significant difference between proportion of nonstandard products in the studied batch and the standard. Answer E) Hi is confirmed, thus at a-0,05 there is statistically significant difference between proportion of nonstandard products in the studied batch and the standard. Random sampling research has been conducted for studying quality of products manufactured by a firm. Simple sample of 150 products has been observed and 12 of them have been turned out nonstandard. At significance level a=0.05 test the hypothesis whether the quality of the production meet the standard according which the proportion of nonstandard products should not exceed 5% of all produced. Answer A) Ho is confirmed, thus at a-0,05 there is statistically significant difference between proportion of nonstandard products in the studied batch and the standard. Answer B) Ho is confirmed, thus at a=0,05 the proportion of nonstandard products in the studied batch is larger than the standard. Answer C) Ho is confirmed, thus at a=0,05 there is no statistically significant difference between proportion of nonstandard products in the studied batch and the standard. Answer D) Hi is confirmed, thus at 0-0,05 there is no statistically significant difference between proportion of nonstandard products in the studied batch and the standard. Answer E) Hi is confirmed, thus at a-0,05 there is statistically significant difference between proportion of nonstandard products in the studied batch and the standard.
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