Hello, This is not a question related to school knowledge! I forgot how to solve such problems! Could you remind me using

Hello, This is not a question related to school knowledge! I forgot how to solve such problems! Could you remind me using the following three examples. As early as possible, a batch of Renet Semerenko apples arrived at the store in boxes weighing 25 kg. The total mass of the batch is 1 ton. The accompanying documents stated the quality as follows: standard — 96%, non-standard — 4%. During the acceptance control in the combined sample, the presence of 3 kg of apples was found, which were non-uniform in shape: 0.5 kg of rotten fruits, 1.5 kg of fruits damaged by fruit borers. Calculate the actual quality (% of standard, non-standard production, and waste). On September 15th, a batch of carrots arrived at the «PomidorKa» fruit and vegetable base for subsequent sale to the population in the quantity of 500 kg, in bags weighing 10 kg. According to the accompanying documents, this batch corresponds to the «Extra» class. The following was established during the examination: — the carrots are clean, the root crops are intact and without damage from pests; — there are natural cracks in the cork part of 2.7 mm; — there are root crops 12 … 15 cm long with a greenish head part 0.7 cm thick; — the size of the root crops by the largest transverse diameter is 3.5 cm; — the size of the root crops in length is 12 … 17 cm. 1. Does this batch of carrots correspond to the «Extra» class stated in the accompanying documents? 2. Determine the sample size for examining this batch of carrots. Note: Use GOST R 51782-2001 «Fresh carrots sold in the retail trade network. Technical conditions» to solve the problem. Hypermarket «Zvezda» entered into a contract for the supply of 1.5 tons of fresh first-grade apricots. The batch came in wooden boxes weighing 50 kg, and 20 kg of underweight was found during acceptance. A quality assessment examination showed the following results: the fruits are typical in shape, 10% have green sides, the size of the fruits in diameter is from 55 mm, and there are 3 light presses on 5 fruits and 5 light presses on 7 fruits. 1. Give a conclusion about the suitability of this batch of apricots to the declared grade. 2. Calculate the sample size for the examination.