The sample mean is x ≈ 92.9. let x be a random variable representing glucose readings taken from gentle ben. we may assume that x has a normal distribution, and we know from past experience that σ = 12.5. the mean glucose level for horses should be μ = 85 mg/100 ml.† do these data indicate that gentle ben has an overall average glucose level higher than 85? use α = 0.05.

the correct choice is a .

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answer: at 24 february, 2014 the population gets twice of its initial population.

explanation:

since we have given that

the population for alpha city, t years after january 1, 2004 is given as

first we find out the initial population, i.e. t=0,

so, our quadratic equation becomes,

according to question, we have said that if the population has twice its initial population, then it becomes

so, time taken to reach this above mentioned population is given by

now, we know that time can't be negative so, we take t=9.149 years.

hence, at 24 february, 2014 the population gets twice of its initial population.

the minimum amperage that the current in this wire would have to have so that its weight is completely supported by the magnetic force due to earth's field, assuming that no other forces except gravity act on it

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.