Distribution of iq scores
The distribution of IQ scores is normal with µ = 100 and ? = 15. What proportion of the population has IQ scores greater than 130? Please provide a detailed response.
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Bananas are to be cooled from 24°C to 13°C at a rate of 215 kg/h by a refrigeration system. The power input to the refrigerator is 1.4 kW. Determine the rate of cooling, in kJ/min, and the COP of the refrigerator. The specific heat of bana
For a normal distribution, find the z-score values that separate the middle 70% of the distribution from the 30% in the tails. Please provide a detailed response.
A particle of ink in an ink-jet printer carries a charge of -8X10^-13 C and is deflected onto paper with a force of 3.2X10^-4 N. Find the strength of the electric field.
A box contains 10 items, of which 3 are defective and 7 are non-defective. Two items are randomly selected, one at a time, with replacement, and x is the number of defectives in the sample of two. Explain why x is a binomial random variable. Show
A positive and negative charge, each with 3x10^-6C charge are separated by a distance of 4mm. Find the size of the force acting on each charge. a. what would be the size of the force if the distance between them doubled?
The distribution of IQ scores is normal with µ = 100 and ? = 15. What proportion of the population has IQ scores greater than 145? Please provide a detailed response.
A geothermal power plant uses geothermal water extracted at 150°C at a rate of 210 kg/s as the heat source and produces 8000 kW of net power. The geothermal water leaves the plant at 90°C. If the environment temperature is 25°C, determ
The solubility of compound X in water is208 g X/100g of water at 15 C. A solution of X in water at 35 C is made by dissolving 324g in 100g of water. When the water is slowly cooled to 15 C, no percipitate froms.
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