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A recent study asked 800 women and 750 men if they expected to be promoted at...

A recent study asked 800 women and 750 men if they expected to be promoted at their companies in the next 12 months. 160 women and 190 men said yes. At the .05 level, is there a significant difference between women and men in their expectations of receiving a promotion?

a. What is the pooled proportion?

b. what is the test statistic and p-value?

c. is gender difference significant?

Math   Statistics-And-Probability   
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