The following data represent the discrete probability distribution for the number of stars that reviewers gave a first edition statistics reference book.
stars 5 4 3 2 1
probability 25% 35% 20% 10% 10%
the second edition of this reference book has been released and a random sample of people that have purchased the book has been collected with the following results.
stars 5 4 3 2 1
frequency 28 28 13 6 5
1. the publisher would like to know if the probability distribution for reviews has changed from the first edition to the second edition using α = 0.025
2. what is the test statistic for this sample? round to two decimal places.

$32,660

step-by-step explanation:

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98

6 cm

step-by-step explanation:

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7