Why Did the Soviet Union Collapse? Video Lecture | Political Science Class 12 - Humanities/Arts

Former Soviet Union aircraft carrier catches fire in China

In the former Soviet Union, 25% of all bachelor degrees in physics went to women. A sample of 97 U.S. recipients of bachelor degrees in physics showed that 15 were women. Do these data provide sufficient evidence at the 0.05 level of significance to conclude that the proportion of women receiving bachelor degrees in physics in the U.S. is less than in the former Soviet Union?p = 0.154Step 1:Ho: p = 0.25Ha: p < 0.25Step 2:n = 97p̂ = 15/97 = 0.154q̂ = 1 - p̂ = 1 - 0.154 = 0.846σ = √(p̂q̂/n

Stalin & the Soviet Union | History, Accomplishments & Policies

History of the Soviet Union

The Soviet Union | Countries, Leaders & Collapse