Tom invested money in a company's stock which then skyrocketed in value overnight. The value of Tom's investment this morning is 7 times as large as the value of his investment yesterday morning. a. The value of Tom's investment this moning is what percent of the value of his investment yesterday morning? 30 Preview b. By what percent did the value of Tom's investment change by from yesterday morning to this morning? Preview

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.