Mathematics, 30.01.2021 03:10 luisr0754
Mrs. Campos is making cupcakes for a bake sale. She uses the equation c = 0.55x to determine the cost, c, for x cupcakes. Which best represents the constant rate at which cupcakes are sold at the bake sale?
55 cupcakes per dollar
$0.55 per cupcake
$4 per cupcake
4 cupcakes per dollar
Answers: 1
Mathematics, 21.06.2019 18:00
On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?
Answers: 1
Mathematics, 22.06.2019 00:00
(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 ě…). 2b. find the sample variance of x. find the variance of x ě…. for (c), (d), and (e), use the appropriate t-distribution 2c. find the 90% confidence interval for the population mean (îľ). 2d. test the hypothesis that îľ 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
Mathematics, 22.06.2019 01:30
A0.40 kg soccer ball is kicked so that its incoming velocity of 5 m/s is changed to an outgoing velocity of -25 m/s. what impulse does the player apply to the ball?
Answers: 3
Mathematics, 22.06.2019 01:30
What is the t intercept of the line given by the equation below y= -10x + 14
Answers: 3
Mrs. Campos is making cupcakes for a bake sale. She uses the equation c = 0.55x to determine the cos...
Mathematics, 28.12.2020 08:20
Computers and Technology, 28.12.2020 08:20
Chemistry, 28.12.2020 08:20
Mathematics, 28.12.2020 08:20
English, 28.12.2020 08:20
Advanced Placement (AP), 28.12.2020 08:20
History, 28.12.2020 08:20
Computers and Technology, 28.12.2020 08:20
Business, 28.12.2020 08:20
Medicine, 28.12.2020 08:20
Mathematics, 28.12.2020 08:20
Mathematics, 28.12.2020 08:20
Mathematics, 28.12.2020 08:30