4. A manufacturer packs a prize in each box of its cereal and claims that the probabilities of getting various prizes are as follows: Probability 0.20 Prize Ring Key Chain Puzzle 0.30 0.15 Pen 0.25 Flashlight 0.10 To see if the company's claim is accurate, a consumer group randomly selects 1,020 boxes of this product and obtains the following data: Prize Frequency 186 Ring Key Chain Puzzle 327 168 Pen 225 Flashlight 114 Using a 5% level of significance, test the claim that the distribution of prizes is what the manufacturer claims.

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