Mathematics
Mathematics, 25.03.2021 22:20, BookiesBaby8533

A phone company plans on offering their new smartphone in four colours: white, black, silver and rose gold. They anticipate that 30% of shoppers will prefer white, 35% will prefer black, 20% will prefer silver and 15% will prefer rose gold. They perform market research by asking a random sample of 350 potential customers which colour they prefer. Color White Black Silve Rose Gold
Frequency 99 135 89 27

Can the company conclude that their expected distribution was accurate using a 10% level of significance?

a. Calculate the test statistic.
b. Determine the critical value(s) for the hypothesis test.
c. Conclude whether to reject the null hypothesis or not based on the test

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 16:30, elysabrina6697
Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest
Answers: 3
image
Mathematics, 21.06.2019 17:00, valeriekbueno
100 points, hi, i’m not sure how to get the equation from the graph and table.
Answers: 2
image
Mathematics, 21.06.2019 19:00, lethycialee2427
Write a function for a rotation 90 degrees counter clockwise about the origin, point 0
Answers: 1
image
Mathematics, 21.06.2019 20:00, marisolrojo2002
Which expression is equivalent to -5(3x - 6/7)
Answers: 1
Do you know the correct answer?
A phone company plans on offering their new smartphone in four colours: white, black, silver and ros...

Questions in other subjects: