Question: When I use the formula given it comes back as an error on my calculator ALLENGE TIVITY 7.1.3: Hypothesis test for a population proportion. Jump

When I use the formula given it comes back as an error on my calculator

When I use the formula given it comes back as an error

ALLENGE TIVITY 7.1.3: Hypothesis test for a population proportion. Jump to level 1 A software company is interested in improving customer satisfaction rate from the 56% currently claimed. The company sponsored a survey of 195 customers and found that 123 customers were satisfied. What is the test statistic z? Ex: 2.22 +

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