环保部门想检验餐馆一天所用的快餐盒平均是否超过 600 个，建立的原假设和备择假设为 H 0 ： μ ≤ 600 ， H 1 ： μ ＞ 600 ，所犯的第 Ⅱ 类错误是（）。 -题库考试答案搜索网

环保部门想检验餐馆一天所用的快餐盒平均是否超过 600 个，建立的原假设和备择假设为 H ₀ ： μ ≤ 600 ， H ₁ ： μ ＞ 600 ，所犯的第 Ⅱ 类错误是（）。

单选题

2021-07-18 00:08

A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: ">当</span><i style="mso-bidi-font-style: normal"><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">μ</span></i><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">≤</span><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">600</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">时，声称</span><i style="mso-bidi-font-style: normal"><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">μ</span></i><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">＞</span><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">600<span style="mso-spacerun: yes"></span></span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: ">当</span><i style="mso-bidi-font-style: normal"><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">μ</span></i><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">＞</span><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">600</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">时，声称</span><i style="mso-bidi-font-style: normal"><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">μ</span></i><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">＜</span><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">600</span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: ">当</span><i style="mso-bidi-font-style: normal"><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">μ</span></i><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">=600</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">时，声称</span><i style="mso-bidi-font-style: normal"><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">μ</span></i><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">≠600</span>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: ">当</span><i style="mso-bidi-font-style: normal"><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">μ</span></i><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">≥</span><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">600</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">时，声称</span><i style="mso-bidi-font-style: normal"><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">μ</span></i><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">＞</span><span style="FONT-FAMILY: ; FONT-SIZE: 12pt" lang="EN-US">600</span>

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正确答案

B

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标签：教育学专升本教育统计与测量作业1

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