One year consumers spent an average of $22 on a meal at a resturant. Assume that...
One year consumers spent an average of $22 on a meal at a resturant. Assume that the amount spent on a resturant meal is normally distributed and that the standard deviation is $5. Complete parts (a) through (c) below. a. What is the probability that a randomly selected person spent more than $23? P(Xgreater than$23)equals 0.4207 (Round to four decimal places as needed.) b. What is the probability that a randomly selected person spent between $8 and $21? P($8less thanXless than$21)equals nothing (Round to four decimal places as needed.)
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One year consumers spent an average of $22 on a meal at a
resturant. Assume that...
One year consumers spent an average of $23 on a meal at a resturant. Assume that...
One year consumers spent an average of $23 on a meal at a resturant. Assume that the amount spent on a resturant meal is normally distributed and that the standard deviation is $5. Complete parts (a) a. What is the probability that a randomly selected person spent more than $25?
One year consumers spent an average of $21 on a meal at a restaurant. Assume that...
One year consumers spent an average of $21 on a meal at a restaurant. Assume that the amount spent on a restaurant meal is normally distributed and that the standard deviation is $4. Complete parts (a) through (c) below. a. What is the probability that a randomly selected person spent more than $ 22? P(X> $22 )=___________________ (Round to four decimal places as needed.) b. What is the probability that a randomly selected person spent between $11 and $ 19?P($11<X<...
A study found that consumers spend an average of $22 per week in cash without being...
A study found that consumers spend an average of $22 per week in cash without being aware of where it goes. Assume that the amount of cash spent without beir aware of where it goes is normally distributed and that the standard deviation is $6. Complete parts (a) through (c). a What is the probability that a randomly selected person will spend more than $23 PX>$23)(Round to four decimal places as needed b. What is the probability that a randomly...
Consumers spend an average of $13.80 on a meal at a restaurant. Assume that the amount...
Consumers spend an average of $13.80 on a meal at a restaurant. Assume that the amount spent on a restaurant meal is normally distributed and the standard deviation is $2.00. What is the probability that a randomly selected person spent more than $10.00? 0.644 0.029 0.971 0.336
6.9 Consumers spent an average of $14.99 on a meal at a restaurant in 2013. (Data...
6.9 Consumers spent an average of $14.99 on a meal at a restaurant in 2013. (Data extracted from bit.ly/1hObH22.) Assume that the amount spent on a restaurant meal is normally distributed and that the standard deviation is $2. a. What is the probability that a randomly selected person spent more than $15? b. What is the probability that a randomly selected person spent between $10 and $12? c. Between what two values will the middle Ninety-five percent of the amounts...
Consumers spend an average of $13.80 on a meal at a restaurant. Assume that the amount...
Consumers spend an average of $13.80 on a meal at a restaurant. Assume that the amount spent on a restaurant meal is normally distributed and the standard deviation is $2.00. What is the probability that a randomly selected person spent between $9.00 - $11.50? 0.037 0.117 0.214 0.135
Consumers spend an average of $13.80 on a meal at a restaurant. Assume that the amount...
Consumers spend an average of $13.80 on a meal at a restaurant. Assume that the amount spent on a restaurant meal is normally distributed and the standard deviation is $2.00. What is the amount that a randomly selected customer must pay for a meal to be in the top 10% of expenditures for a restaurant meal? $17.77 $12.94 $15.12 $16.36
1. The average amount parents and children spent per child on back-to-school clothes in Autumn 2010...
1. The average amount parents and children spent per child on back-to-school clothes in Autumn 2010 was $527. Assume the standard deviation is $160 and that the amount spent is normally distributed. What is the probability that the amount spent on a randomly selected child is more than $700? (Round to four decimal places) What is the probability that the amount spent on a randomly selected child is less than $100? (Round to four decimal places) What is the probability...
3. Last year the American worker spent an average of 77 hours logged on to the...
3. Last year the American worker spent an average of 77 hours logged on to the Inter-net while at work. Assume the times are normally distributed and that the standard deviation is 20 hours. What is the probability a randomly selected worker spent fewer than 50 hours logged on to the Internet? (Round to four decimal places) What is the probability a worker spent more than 100 hours logged on to the Internet? (Round to four decimal places) A person...
Given a normal distribution with mean equals 54 and st. dev. equals3, complete parts (a) through...
Given a normal distribution with mean equals 54 and st. dev. equals3, complete parts (a) through (d). Click here to view page 1 of the cumulative standardized normal distribution table.LOADING... Click here to view page 2 of the cumulative standardized normal distribution table.LOADING... a. What is the probability that Xgreater than49? P(Xgreater than49)equals nothing (Round to four decimal places as needed.) b. What is the probability that Xless than51? P(Xless than51)equals nothing (Round to four decimal places as needed.) c....
A study found that consumers spend an average of $22 per week in cash without being aware of where it goes. Assume that the amount of cash spent without beir aware of where it goes is normally distributed and that the standard deviation is $6. Complete parts (a) through (c). a What is the probability that a randomly selected person will spend more than $23 PX>$23)(Round to four decimal places as needed b. What is the probability that a randomly...
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