Mathematics, 03.12.2020 09:50, elijah207
At a customer service call center for a large company, the number of calls received per
hour is normally distributed with a mean of 60 calls and a standard deviation of 10
calls. What is the probability that during a given hour of the day there will be less
than 76 calls, to the nearest thousandth?
Answers: 2
Mathematics, 21.06.2019 14:50, westlakebuddy1229
If f(x) = 2x + 2 and g(x) = x? , what is (gยบf)(2)?
Answers: 2
Mathematics, 21.06.2019 22:30, Afranker8778
Write the equation of a line that is perpendicular to the given line and that passes through the given point. โ3x โ 6y = 17; (6, 3) y = x โ 9 y = 2x โ 9 y = โ2x โ 9 y = x + 0 3. is the relationship shown by the data linear? if so, model the data with an equation. x y 1 5 5 10 9 15 13 20 the relationship is linear; y โ 5 = (x โ 1). the relationship is not linear. the relationship is linear; y โ 5 = (x โ 1). the relationship is linear; y โ 1 = (x โ 5). write an equation in point-slope form for the line through the given point with the given slope. (โ10, โ1); m = y + 10 = (x + 1) y โ 1 = (x โ 10) y โ 1 = (x + 10) y + 1 = (x + 10) 5. write an equation for each translation of . 6.5 units up y + 6.5 = | x | y = | 6.5 x | y = | x | + 6.5 y = | x | โ 6.5 6. write an equation for each translation of . 5.5 units right y = | x | + 5.5 y = | x โ 5.5 | y = | x | โ 5.5 y = | x + 5.5 | 7. which equation translates y = | x | by 8 units to the left? y = | x | โ 8 y = | x | + 8 y = | x โ 8| y = | x + 8|
Answers: 1
Mathematics, 21.06.2019 23:00, kierafisher05
Acaterpillar eats 1400\%1400% of its birth mass in one day. the caterpillar's birth mass is mm grams. which of the following expressions could represent the amount, in grams, the caterpillar eats in one day? \
Answers: 1
Mathematics, 22.06.2019 00:00, bri9263
(20 points) a bank has been receiving complaints from real estate agents that their customers have been waiting too long for mortgage confirmations. the bank prides itself on its mortgage application process and decides to investigate the claims. the bank manager takes a random sample of 20 customers whose mortgage applications have been processed in the last 6 months and finds the following wait times (in days): 5, 7, 22, 4, 12, 9, 9, 14, 3, 6, 5, 15, 10, 17, 12, 10, 9, 4, 10, 13 assume that the random variable x measures the number of days a customer waits for mortgage processing at this bank, and assume that x is normally distributed. 2a. find the sample mean of this data (x ฤโฆ). 2b. find the sample variance of x. find the variance of x ฤโฆ. for (c), (d), and (e), use the appropriate t-distribution 2c. find the 90% confidence interval for the population mean (รฎฤพ). 2d. test the hypothesis that รฎฤพ is equal to 7 at the 95% confidence level. (should you do a one-tailed or two-tailed test here? ) 2e. what is the approximate p-value of this hypothesis?
Answers: 2
At a customer service call center for a large company, the number of calls received per
hour is nor...
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