At a grocery store customers were surveyed: 25% use coupons, 43% bring their own bags, and...
At a grocery store customers were surveyed: 25% use coupons, 43% bring their own bags, and 12% do both. If a customer is randomly picked, what is the probability that the customer uses coupon or bring their own bag? Are the two events, using coupons vs bring their own bags, independent? What is the probability that the customer uses coupon knowing that he/she bring their own bags?
Homework Answers
Add Answer to:
At a grocery store customers were surveyed: 25% use coupons, 43%
bring their own bags, and...
A grocery store purchases bags of oranges from California to sell in their store. The weight...
A grocery store purchases bags of oranges from California to sell in their store. The weight of a bag of California oranges is normally distributed with a mean of 8.4 pounds and a variance of 1.21 pounds2 A bag of California oranges is randomly selected in the grocery store. Round all probability answers to four decimal places.) a. What is the probability that a randomly selected California orange bag purchased by a customer weighs more than 7 pounds? b. What...
A grocery store purchases bags of oranges from California to sell in their store. The weight...
A grocery store purchases bags of oranges from California to sell in their store. The weight of a bag of California oranges is normally distributed with a mean of 6.9 pounds and a variance of 1.21 pounds2. A bag of California oranges is randomly selected in the grocery store. (Round all probability answers to four decimal places.) a. What is the probability that a randomly selected California orange bag purchased by a customer weighs more than 8 pounds? b. What...
A grocery store purchases bags of oranges from California to sell in their store. The weight...
A grocery store purchases bags of oranges from California to sell in their store. The weight of a bag of California oranges is normally distributed with a mean of 8.1 pounds and a variance of 1.21 pounds2. A bag of California oranges is randomly selected in the grocery store. (Round all probability answers to four decimal places.) a. What is the probability that a randomly selected California orange bag purchased by a customer weighs more than 8 pounds? b. What...
A grocery store manager was asked to find a 99% confidence interval for the proportion of...
A grocery store manager was asked to find a 99% confidence interval for the proportion of customers who use coupons. He used data from a random sample of n = 87 customers. Which of the following is a correct interpretation of the interval 0.14 < p < 0.24? Check all that are correct. -There is a 99% chance that the proportion of coupon users in a sample of 87 students will be between 0.14 and 0.24. -There is a 99%...
A market study taken at a local sporting gocds store showed that of 45 people questioned,...
A market study taken at a local sporting gocds store showed that of 45 people questioned, 30 owned tents, 25 owned sleeping bags, 20 owned camping stoves, 15 owned both tents and camping stoves, and 12 owned both sleeping bags and camping stoves, 15 owned sleeping bags and tents and 8 people owned tents, camping stoves and sleeping bags: 20 pts) a. What is the probablity of owning a tent? b. What is the probability of owning a camping stowe?...
The owner or a fashion retailer has been tracking how many customers use coupons in his store after he mailed out sale fliers. The rliers orter customers a variety or choices, includin 20% 0" the...
The owner or a fashion retailer has been tracking how many customers use coupons in his store after he mailed out sale fliers. The rliers orter customers a variety or choices, includin 20% 0" the entire order, buy one and get one r ee, and 50% off a single item customers may use only ona of thฝ่ coupons, but the owner knaws that some customars will maka saparata purchases in arder to use mara than āne coupon ar lcaep ona...
(13) A pet store completed a survey of customers regarding pet preferences and ownership. The results...
(13) A pet store completed a survey of customers regarding pet preferences and ownership. The results for dog ownership and feelings about cats are displayed in the table. Use them to answer the following questions. Owns a dog | Does not own a dog TOTAI 13 18 0 31 30 18 6 54 43 36 6 85 es cats islikes cats o opinion about cats a) What is the probability that a randomly selected person from the group (i) dislikes...
Please do all questions... Six hundred registered voters were surveyed and asked their political affiliation and...
Please do all questions...
Six hundred registered voters were surveyed and asked their political affiliation and whether they support the idea of the Federal Government investing a portion of their social security contributions in the stock market. A summary of the survey is given in the table. If a voter is selected at random, what is the probability that the voter is a republican? Political Affiliation Republican Response Democrat Independent Totals Yes 35 90 10 135 No 165 100 200...
Two Part Question Part A 210 teenagers were surveyed. 90 chose Football Hero as their favorite...
Two Part Question Part A 210 teenagers were surveyed. 90 chose Football Hero as their favorite game and 105 chose Citywide Chase as their favorite game and 45 chose both. If Event A is choosing Football Hero and Event B is choosing Citywide Chase, then P (BIA) is Choose the correct answer. Part B The statement which can be inferred from the above situation is/are Select two. Al P (BA) p(B) B P(BA)P (B) C A and B are independent...
17.6-9. The Friendly Neighbor Grocery Store has a single check- out stand with a full-time cashier....
17.6-9. The Friendly Neighbor Grocery Store has a single check- out stand with a full-time cashier. Customers arrive randomly at the stand at a mean rate of 30 per hour. The service-time distribu- tion is exponential, with a mean of 1.5 minutes. This situation has resulted in occasional long lines and complaints from customers. Therefore, because there is no room for a second checkout stand. the manager is considering the alternative of hiring another person to help the cashier by...
A grocery store purchases bags of oranges from California to sell in their store. The weight of a bag of California oranges is normally distributed with a mean of 8.4 pounds and a variance of 1.21 pounds2 A bag of California oranges is randomly selected in the grocery store. Round all probability answers to four decimal places.) a. What is the probability that a randomly selected California orange bag purchased by a customer weighs more than 7 pounds? b. What...
A market study taken at a local sporting gocds store showed that of 45 people questioned, 30 owned tents, 25 owned sleeping bags, 20 owned camping stoves, 15 owned both tents and camping stoves, and 12 owned both sleeping bags and camping stoves, 15 owned sleeping bags and tents and 8 people owned tents, camping stoves and sleeping bags: 20 pts) a. What is the probablity of owning a tent? b. What is the probability of owning a camping stowe?...
The owner or a fashion retailer has been tracking how many customers use coupons in his store after he mailed out sale fliers. The rliers orter customers a variety or choices, includin 20% 0" the entire order, buy one and get one r ee, and 50% off a single item customers may use only ona of thฝ่ coupons, but the owner knaws that some customars will maka saparata purchases in arder to use mara than āne coupon ar lcaep ona...
(13) A pet store completed a survey of customers regarding pet preferences and ownership. The results for dog ownership and feelings about cats are displayed in the table. Use them to answer the following questions. Owns a dog | Does not own a dog TOTAI 13 18 0 31 30 18 6 54 43 36 6 85 es cats islikes cats o opinion about cats a) What is the probability that a randomly selected person from the group (i) dislikes...
Please do all questions...
Six hundred registered voters were surveyed and asked their political affiliation and whether they support the idea of the Federal Government investing a portion of their social security contributions in the stock market. A summary of the survey is given in the table. If a voter is selected at random, what is the probability that the voter is a republican? Political Affiliation Republican Response Democrat Independent Totals Yes 35 90 10 135 No 165 100 200...
Two Part Question Part A 210 teenagers were surveyed. 90 chose Football Hero as their favorite game and 105 chose Citywide Chase as their favorite game and 45 chose both. If Event A is choosing Football Hero and Event B is choosing Citywide Chase, then P (BIA) is Choose the correct answer. Part B The statement which can be inferred from the above situation is/are Select two. Al P (BA) p(B) B P(BA)P (B) C A and B are independent...
17.6-9. The Friendly Neighbor Grocery Store has a single check- out stand with a full-time cashier. Customers arrive randomly at the stand at a mean rate of 30 per hour. The service-time distribu- tion is exponential, with a mean of 1.5 minutes. This situation has resulted in occasional long lines and complaints from customers. Therefore, because there is no room for a second checkout stand. the manager is considering the alternative of hiring another person to help the cashier by...
Most questions answered within 3 hours.
-
Which of these four researchers is most likely to have made Type
1 error
Kim who...
asked 12 minutes ago -
In a performance test, each of two cars takes 8.9 s to
accelerate from rest to...
asked 13 minutes ago -
Sapphire Aerospace operates 52 weeks per year, and its cost of
goods sold last year was...
asked 17 minutes ago -
Create ER Model
Assets are resources that are used in CMS to display content.
Each asset...
asked 12 minutes ago -
A. Suppose your manager indicates that for a normally
distributed data set you are analyzing, your...
asked 17 minutes ago -
For each the following molecules draw the best possible
structure based on formal charges for each...
asked 17 minutes ago -
A proton moves in the plane of this paper toward the top of the
page. A...
asked 27 minutes ago -
different divisions differing lines of business use
different costs of capital because their cost of equity...
asked 23 minutes ago -
Give an algorithm to determine whether or not the elements
of
an array of integers are...
asked 30 minutes ago -
. Gravimetric analysis. The gravimetric analysis that we will
perform in lab occurs according to the...
asked 49 minutes ago -
Learning curve problem:
A company was ordered to make 6 custom made parts. the labor
costs...
asked 46 minutes ago -
When you don’t recall operator precedences you can Guess
Experiment with the compiler Look in a...
asked 49 minutes ago