macboudr1346 macboudr1346

03-01-2023
Mathematics

Answered

International travel is usually more expensive than domestic travel. a recent survey found that the average per-person cost of a 12-day international vacation is $1,755. this includes transportation, food, lodging, and entertainment. a. if the data are normally distributed with standard deviation $390, find the percentage of vacationers who spent less than $1,200 per 12-day vacation. round to the nearest hundredth of a percent.

Answer :

Other Questions

The average number of times americans dine out in a week fell from 4.0 in 2008 to 3.8 in 2012 (zagat.com, april 1, 2012). the number of times a sample of 20 fam

Burning fuels in power plants and motor vehicles emits carbon dioxide (co2) , which contributes to global warming. the co2 emissions (metric tons per capita) fo

Medical researchers interested in determining the relative effectiveness of two different drug treatments on people with a chronic mental illness established tw

The mean number of hours of part-time work per week for a sample of 251 students is 23. If the margin of error for the population mean with a 98% confidence int

the number 3076 written in standard form

An elected official surveyed residents of a town to assess their satisfaction with city services. the survey includes both those who own and those who rent thei

Tuition costs in 1990, the cost of tuition at a large midwestern university was $96 per credit hour. in 1995, tuition had risen to $161 per credit hour. determi

johnny found that the large ones totaled 30 more than 3 times the number of small ones. the ratio of the number of small ones to the number of large ones was 1

Translate the following phrase into an absolute value inequality. The distance between 2 and 5 times a number is no less than 8 1. |5x−2|≥8 2. |5x−2|≤8 3. |5x+2

3. John makes and sells doll houses. If he has a cost of $2,000 per year plus a cost of $27 per doll house, how many doll houses must he sell in order to make a