A scientist is studying the effects of a new fertilizer on plant growth. She plants 100 seeds, 60 with fertilizer and 40 without. After two weeks she observes that 54 of the fertilized seeds sprouted and 30 of the non fertilized seeds sprouted. If a fertilized plant is chosen at random, what is the probability that it received fertilizer?, 64%, 54%, 84%, 40%, In a biology experiment, a Punnett square shows the possible genotypes for a trait where: B = dominant brown eyes and b = recessive blue eyes. Two heterozygous parents have children. What is the percentage chance that a child will have blue eyes?, 0%, 25%, 50%, 75%, A student is setting up a science fair display with 4 different experiments: photosynthesis, magnetism, density, and chemical reactions. She wants to display 3 of them in a specific order on the table. How many different ways can she arrange 3 out of the 4 experiments?, 25, 10, 24, 48, A student is building a model of the solar system and wants to display 5 out of the 8 planets in a specific order. How many different planet lineups can she make using 5 of the 8 planets?, 120, 40,320, 6720, 36, A student records the temperature of a chemical solution at five different times during an experiment: 72.4, 73.1, 74.0, 72.8 and 73.7. What is the mean temperature of the solution during the experiment?, 1.6, 73.2, 73.7, 366

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