As the new regional sales manager, you have been growing increasingly concerned about a possible decline in your company's market share, despite increased sales over the past six months.Six months ago, a survey of retailers (all potential clients of your company) indicated 124 out of 423 retailers in your region turned to your company as its major supplier.A recent survey of 680 retailers indicated 204 retailers relied on your company as their primary supplier. Has market share declined precipitously over the past six months?Use the p-value approach and a = 10%. Do NOT solve this problem. Simply state the name of the statistical test or give the equation that you would use to answer this problem.

I want know what equation have to use and why? need detail explanation

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