Suppose annual salaries for sales associates from Hayley's Heirlooms have a bell-shaped distribution with a mean of $32,500 and a standard deviation of $2,500.The z-score for a sales associate from this store who earns $37,500 is _____.   a. .92     b. 37.5     c. −2     d. 2

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A: Mean: Mean=sum of the data valuesNumber of data values          =4+0+6+6+0+6+0+9+2+3+1+212…

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Q: Suppose a normal distribution has a mean of 98 and a standard deviation of 6. What is P(x2 104)? A.…

A: We have given that.   X~N( μ , ?^2 )   μ=98   , ?=6   Z-score =( x - μ )/?

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Q: A bakery ownertabulated sales to 50 customers and obtained the distribution. Find the mean and…

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A: Given that Mean = 79,s.d=6 (b) P(X>97 )=? (c) P(X<73) =? (d)P(61<x<85) =?

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A:

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A:

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A: Note: Hey, since there are multiple subparts posted, we will answer first three subparts. If you…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.