I need the work shown out for these please help!

Gartner, Inc. reported that the market share for smartphones is as follows: Smartphone Market Share Android 56% Apple 23% Nokia 9% BlackBerry 7% Other 5% To test the validity of Gartner's report, a random sample of smartphone users was collected with the following results. Smartphone Frequency Android 62 Apple 25 Nokia 12 BlackBerry 12 Other 9 Using a = 0.05, what conclusions can be made about Gartner's report? Show your work. You may use Excel, PHStat, and/or Data Analysis function to verify your work. Any Excel submissions will not be graded. a. State your hypothesis (5%) b. Calculate expected frequencies (10%) c. Calculate test-statistics (10%) d. Find critical-statistics and state your conclusion (5%)