What is the probability that a spot corresponding expressed

Reference no: EM131852330

The distribution of mean intensities of cDNA spots corresponding to genes that are expressed can be assumed to be normal [276]. Let us assume that the mean of this distribution is 1,000 and the standard deviation is 100. We are using an array that has each gene spotted in triplicates. We calculate the expression value of a gene as the mean of its replicates.

(a) What is the probability that a spot corresponding to an expressed gene has a value lower than 700?

(b) What is the probability that an expressed gene has an expression value of 700 or lower?

Reference no: EM131852330

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