Question

The mean amount spent by a family of four on food per month is $700 with...

The mean amount spent by a family of four on food per month is $700 with a standard deviation of $85. Assuming that the food expenditures are normally distributed, what is the proportion of families of four that spend more than $900 per month?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
3. The mean amount spent by a family of four on food is $500 per month...
3. The mean amount spent by a family of four on food is $500 per month with a standard deviation of $75. Assume that the food costs are normally distributed. • What is the probability that a family spends less than $410 per month? • What is the percentage of families that spend $400 to $600 per month?
The mean amount spent by a family of four on food per month is $390 with...
The mean amount spent by a family of four on food per month is $390 with a standard deviation of $150. Assuming that the food costs are normally distributed, what is the probability that a family spends more than $500 per month? Wrong Answer: 0.7683 Answers: 0.7683 0.9374 0.0626 0.2317
The mean amount spent by a family of four on food per month is $507 with...
The mean amount spent by a family of four on food per month is $507 with a standard deviation of $73. Assuming that the food costs are normally distributed. a. what is the probability that a family spends less than $406 per month? Give your answer to 4 decimals. b. what is the probability that a family spends at least $711 per month? Give your answer to 4 decimals.
The average amount spent by a family of two on food per month is $500 with...
The average amount spent by a family of two on food per month is $500 with a standard deviation of $75. Assuming that the food costs are normally distributed, what is the probability that a family spends less than $410 per month? what is the probability that a family spends great than $610 per month? what is the probability that a family spends $500±50(between $450 and $550) per month?
A recent report in Pasadena Times indicated a typical family of four spends $490 per month...
A recent report in Pasadena Times indicated a typical family of four spends $490 per month on food. Assume the distribution of food expenditures for a family follows the normal distribution, with a standard deviation of $90 per month. What percent of the families spend between $300 and $490 per month on food? What is the probability that a families selected spends less than $430 per month on food? What percent spend between $430 and $600 per month on food?...
1. A recent report in USA Today indicated that a typical family of four spends $620...
1. A recent report in USA Today indicated that a typical family of four spends $620 per month on food. Assume the distribution of food expenditures for a family of four follows the normal distribution, with a standard deviation of $95. a. What percent of families spend less than $550 per month on food?​ b. What percent of families spend between $550 and $720 per month on food?    c. What percent of families spend between $630 and $720 per...
In 2015 The United States Department Of Agriculture Issued A Report Indicating A Family Of ......
In 2015 The United States Department Of Agriculture Issued A Report Indicating A Family Of ... Question: In 2015 the United States Department of Agriculture issued a report indicating a family of four s... (2 bookmarks) In 2015 the United States Department of Agriculture issued a report indicating a family of four spent an average of about $890 per month on food. (http://www.cnpp.usda.gov/sites/default/files/CostofFoodMar2015.pdf ). Assume the distribution of food expenditures for a family of four follows the normal distribution, with...
A study found that the mean amount of time cars spent in​ drive-throughs of a certain​...
A study found that the mean amount of time cars spent in​ drive-throughs of a certain​ fast-food restaurant was 156.6 seconds. Assuming​ drive-through times are normally distributed with a standard deviation of 26 ​seconds, complete parts​ (a) through​ (d) below. A.)What is the probability that a randomly selected car will get through the​ restaurant's drive-through in less than 116 ​seconds? B.) What is the probability that a randomly selected car will spend more than 189seconds in the​ restaurant's drive-through? C.)...
A study found that the mean amount of time cars spent in drive-throughs of a certain...
A study found that the mean amount of time cars spent in drive-throughs of a certain fast-food resturant was 146.5 seconds. Assuming drive-through times are normally distributed with a standard deviation of 33 seconds. A.) What is the probability that a randomly selected car will get through the restaurant's drive-through in less than 102 seconds? _______ (Round to four decimal places as needed). B.) What is the probability that a randomly selected car will spend more than 188 seconds in...
192) The monthly amounts spent for food by families of four receiving food stamps approximates a...
192) The monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical, normal distribution. The sample mean is $150 and the standard deviation is $20. Using the Empirical ruleabout 95% of the monthly food expenditures are between what two amounts?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT