Activity 3 Table 3. Results of three coins tossed simultaneously 64 times. Outcomes Observed (O) Expected (E) (O-E) (OE) (O - E)¹/E 3 heads 2 heads; 1 tail 1 heads; 2 tails 3 tails Totals XXXXXXXXXXXXX² = 1. State a null hypothesis for this experiment. 2. How many degrees of freedom are there? 3. What is the critical value of the X² for a = 0.05? ig? W2

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