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Stat 300 Hypothesis Testing PS ASSIGNMENT 1 2024

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Stat 300 Hypothesis Testing PS ASSIGNMENT 1 2024 Directions: When answering the questions below, you are expected to use the calculator features being taught and demonstrate the inputs the same as in the lectures. Use the rounding rules unless otherwise stated and include units when given. Round all /2 z to 3 decimals and use proper subscripts. Be sure to include units in the claim/opposite and null/alternative hypothesis. 1. Claim: A majority of adults say that they would erase their social media history completely if they could. A survey done by Twitter of 6,983 randomly selected adults showed that 83% of them would erase all of their social media history if they could. Complete the following: Claim: 0 H : Opposite: 1 H : 2. Claim: The mean pulse rate (in beats per minute) of adult males is equal to 65.9 bpm. For a random sample of 365 adult males, the mean pulse rate is 67.3 bpm, and the standard deviation is 9.1 bpm. Claim: 0 H : Opposite: 1 H :

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