Probability theory suggests that a random sample of 1,500 people would have what percentage chance of accurately reflecting the views of the whole population?

In order to boost productivity, Japanese firms accepted the guidance that the MITI (Ministry of International Trade and Industry) provided

Indicate whether this statement is true or false.

What is the idea behind a closed primary system?

A. Any registered voter should have a say in who will lead both of the major parties in the general election. B. If no candidate receives a majority of the vote in the first election, further elections should be run in order for one candidate to gain a majority. C. Voters should be allowed to choose freely from a list of every candidate regardless of party affiliation. D. Only party members should be able to determine who will lead them in the general election. E. Voters should not be forced to make public their choice in the primary election for who will lead them in the general election.