A small business owner estimates his mean daily profit as $968 with a standard deviation of $130. His shop is open 102 days a year. What is his annual profit will not exceed $100,000? Carry your intermediate computations to at least four decimal places. Report your result to at least three decimal places.

Q: The regression equation for predicting the number of speeding tickets (Y) has bo equals 24.83 and b;…

A: We have given that  b0=24.83 , b1=-0.332 and X=12

Q: sample has a mean of M = 53 and a standard deviation of s = 11. For this sample, find the z-score…

A: From the given information, X=53s=11X =39 Thus,

Q: Round each z-score to the nearest hundredth. A data set has a mean of x = 218 and a standard…

A: Given , x = 218    , σ = 40 We know , z-score = x-xσ

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults in those…

A:

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Given,mean(μ)=100standard deviation(σ)=15and z-score=0.7

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of​ adults, and those scores…

A: We have given that The IQ scores are normally distributed with  Mean(µ) = 100 and Standard…

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A:

Q: the average grade is 84 with a standard deviation of 4. What is each grade for -1 2 0 1.5 -1.25

A: Given Mean μ=84Standard deviation σ=4 The formula for Z score isZ=X-μσX=Z×σ+μ

Q: You are trying to estimate the average amount a family spends on food during a year. In the past,…

A: The objective of this question is to determine the sample size needed to estimate the average amount…

Q: find the area of the shaded region. the graph to the right depicts IQ scores of adults and those…

A:

Q: The amount of time in years that an entry-level employee for a shipping company stays with the…

A: given data exponential distributionμ = 4.41λ = 14.41find 64th  percentile.

Q: The waiting time for a customer in line at the county recorder's office is exponentially distributed…

A: The question is about exponential distribution Introduction : If X is a continuous r.v which follows…

Q: Find the estimated mean speed

A: Given Information: Speed (mph) Cars 30-39 7 40-49 16 50-59 51 60-69 16 70-79 10 To…

Q: The error of the mean varies inversely as the square root of the number of repetitions. Thus to…

A:

Q: alculations. 155, 145, 155, 162, 180, 165, 172, 149, 170, 172 Exponential smoothing.  Use an alpha…

A: week   1 155 2 145 3 155 4 162 5 180 6 165 7 172 8 149 9 170 10 172

Q: The area of the shaded region is (Round to four decimal places as needed.)

A: mean = 100 standard deviation = 15

Q: The indicated IQ score, x, is (R

A: here mean = 100 standard deviation  = 15  X = IQ score

Q: The length of time a person shops for groceries can be modeled by an exponential distribution with…

A: Given, Let X be the length of time. X is exponentially distributed Average= 27 mins

Q: onsider yourself as a Math tutor to Grade 11 students. Study carefully the examples of real-life…

A: Real-life problem: A company produces light bulbs that have a mean lifespan of 2000 hours and a…

Q: Data from the Bureau of Labor Statistics' Consumer Expenditure Survey show that annual expenditures…

A: Given: The average annual expenditure for cellular phone services=μ. The standard deviation of…