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Overview
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Question Progress
a)
Homework Progress
47179 Marks
A group of students were given a spelling test.
The table shows their marks.
Mark
Frequency
b)
6
5
a) Work out the range of the marks.
c
7
4
8
7
b) How many students are in the group?
9
10
c) Work out the mean mark of the group.
10
4

Find percent notation for 0.008 0.008=

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.