Q7 - Can anyone help, please?

A phone company plans on offering their new smartphone in four colours: white, black, silver and rose gold. They anticipate that 30% of shoppers Ilmill preferwhite, 3596 will prefer black, Z'il will prefer silver and 15% will prefer rose gold. They perform market research by asking a random sample of 350 potential customers which colour they mmm mm\" Can the company conclude that their expected distribution was accurate using a 5% prefer. level of significance? Chi Square Distribution Table a. Calculate the test statistic. i _ x | | Round to a\": decimal places .I'fnveCEsary b. Determine the critical ualuelIs} fo r the hypothesis test. | + | c. Conclude whed'ler to reject the null hypothesis or not based on the test statistic. CI Reject CI Fail to Reject