Mathematics, 23.09.2019 04:30 tefanyc13

Acompany claims that its packages of beads contain, on average, 50 beads with a standard deviation of 5.4 beads. in a hypothesis test of this claim, h0 is µ = 50 and ha is µ ≠ 50, where µ is the average number of beads per package. based on a sample of 20 packages, celia calculates a mean of 52.5 beads per package
what is the z-statistic for the sample? round the answer to the nearest hundredth

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