Question

Asked Nov 16, 2019

Step 1

It is given that 27% of people aged 65-69 worked. Therefore, population proportion; *P* is 0.27. It is found that 180 out of 600 people aged 65-69 worked. Let *p* be the sample proportion.

**a.**

The sample proportion, *p* is calculated below.

Step 2

**b.**

The null and alternative hypotheses are given below.

Step 3

**c.**

The test statistic is given and calcul...

Tagged in

Q: P(A)=0.6, P(B)=0.3, and P(A or B)=0.7 are A + B mutually exclusive?

A: Mutually exclusive events:Two events are said to be mutually exclusive events, when both cannot occu...

Q: 15L

A: According to the provided question, suppose 3 block towers are made which is 3 block tall, 6 block t...

Q: Problem 7 A-C

A: a.The null and alternative hypotheses are stated below:Null hypothesis:There is no difference betwee...

Q: This is a standard deviation contest. You must choose four numbers from the whole numbers 0 to 9, wi...

A: Standard deviation:The standard deviation indicates by how much each observation differs from a cent...

Q: A CBS News poll involved a nationwide random sample of 651 adults, asked those adults about their pa...

A: (a)The value of P(affiliated with neither party) is,

Q: 4 and 5 please. TI 84 steps please

A: It is given that the test statistic is –1.7891 and the test is left tailed.

Q: You are testing the claim that the proportion of men who own cats is significantly different than th...

A: Introduction:Denote π1, π2 as the true proportion of men and women who own cats respectively.The nam...

Q: 15L

A: Introduction:Suppose x1, x2, …, xn are n observations on a particular characteristic. Then, the aver...

Q: The amount of coffee that people drink per day is normally distributed with a mean of 17 ounces and ...

A: It is given that the mean and standard deviation are 17 and 6, respectively.