Mathematics, 18.12.2019 19:31, heroxtree

Claim: most adults would not erase all of their personal information online if they could. a software firm survey of 669 randomly selected adults showed that 39% of them would erase all of their personal information online if they could. complete parts (a) and (b) below.
part (a)
a. express the original claim in symbolic form. let the parameter represent the adults that would erase their personal information.
part (b)
b. identify the null and alternative hypotheses.

Answers: 2

Show answers

Answers

a) p=0.39, where p the parameter of interest represent the true proportion of adults that would erase all their personal information online if they could

b) Null hypothesis: p = 0.39

Alternative hypothesis: $p \neq 0.39$

Step-by-step explanation:

A hypothesis is defined as "a speculation or theory based on insufficient evidence that lends itself to further testing and experimentation. With further testing, a hypothesis can usually be proven true or false".

The null hypothesis is defined as "a hypothesis that says there is no statistical significance between the two variables in the hypothesis. It is the hypothesis that the researcher is trying to disprove".

The alternative hypothesis is "just the inverse, or opposite, of the null hypothesis. It is the hypothesis that researcher is trying to prove".

On this case the claim that they want to test is: "The true proportion of adults that would erase all their personal information online if they could is 0.39 or 39%". So we want to check if the population proportion is different from 0.39 or 0.39%, so this needs to be on the alternative hypothesis and on the null hypothesis we need to have the complement of the alternative hypothesis.

Part a. Express the original claim in symbolic form. Let the parameter represent the adults that would erase their personal information.

p=0.39, where p the parameter of interest represent the true proportion of adults that would erase all their personal information online if they could

Part b. Identify the null and alternative hypotheses.

Null hypothesis: p = 0.39

And for the alternative hypothesis we have

Alternative hypothesis: $p \neq 0.39$

answered: Guest

$w\geq 14$

the smallest possible measurement of the width is 14 feet

step-by-step explanation:

let's assume length of parallelogram is 'l'

width of parallelogram is 'w'

the perimeter of a parallelogram must be no less than 40 feet

so, we get

$2l+2w\geq 40$

we are given

length of parallelogram is 6 feet

so,

l=6

we can plug it

$2\times 6+2w\geq 40$

now, we can solve for w

$12+2w\geq 40$

subtract both sides by 12

$12+2w-12\geq 40-12$

$2w\geq 28$

divide both sides by 2

and we get

$w\geq 14$

so,

the smallest possible measurement of the width is 14 feet

answered: Guest

whatare you sayig

step-by-step explanation:

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:10, nakeytrag

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Answers: 2

continue

Mathematics, 21.06.2019 16:00, lil8174

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Answers: 3

continue

Mathematics, 21.06.2019 19:00, ALEXMASTERS64

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

Answers: 1

continue

Mathematics, 21.06.2019 20:30, sadcase85

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?

Answers: 2

continue

Do you know the correct answer?

Claim: most adults would not erase all of their personal information online if they could. a softwa...