# In a sample of 49 adolescents who served as the subjects in an immunologic study, one variable of interest was the diameter of a skin test reaction to an allergen. The sample mean and standard deviation were 21 and 11 mm erythema, respectively. a. Use a z- or t-distribution? Why? b. One-sided or two-sided test? Why? c. Can it be concluded from these data that the population mean is less than 24 mm erythema? d. What is the range on the p-value?

###### Question:

In a sample of 49 adolescents who served as the subjects in an immunologic study, one variable of interest was the diameter of a skin test reaction to an allergen. The sample mean and standard deviation were 21 and 11 mm erythema, respectively.
a. Use a z- or t-distribution? Why?
b. One-sided or two-sided test? Why?
c. Can it be concluded from these data that the population mean is less than 24 mm erythema?
d. What is the range on the p-value?

### Is Pluto a solid, gas, liquid?

is Pluto a solid, gas, liquid?...

### Johnson’s Fruit Farm is one of several stores in the county where customers can purchase locally grown fruits and vegetables. However, Mrs. Johnson also offers weekly workshops in her store on topics such as canning, healthy eating, and how to grow a garden, which no other store in the county does. By offering these unique workshops, the Johnsons are engaging in strategic positioning. A. True B. False

Johnson’s Fruit Farm is one of several stores in the county where customers can purchase locally grown fruits and vegetables. However, Mrs. Johnson also offers weekly workshops in her store on topics such as canning, healthy eating, and how to grow a garden, which no other store in the county does...

### Why was the surrender of Vicksburg crucial to the success of the Union’s western campaign of the war?

Why was the surrender of Vicksburg crucial to the success of the Union’s western campaign of the war?...

### Need help with this question, thanks.

Need help with this question, thanks....

### In the fig given below .AB║DC find xhelpplzzz

in the fig given below .AB║DC find xhelpplzzz...

### A period is a row and what is a group that is a column

A period is a row and what is a group that is a column...

### -0.44444... - 2.4343... =​

-0.44444... - 2.4343... =​...

### What is the eighth term of the sequence that begins with 1, 3, 7, 13, 21, ... ?

What is the eighth term of the sequence that begins with 1, 3, 7, 13, 21, ... ?...

### Can u help me plz its a quiz and i need to pass it

can u help me plz its a quiz and i need to pass it...

### Help!! 2x+3 (x-4)=x-20

help!! 2x+3 (x-4)=x-20...

### 192 students in 4 buses how any students go in each bus

192 students in 4 buses how any students go in each bus...

### When used effectively in presentations, what can visual aids accomplish? check all that apply?

When used effectively in presentations, what can visual aids accomplish? check all that apply?...

### $y = \frac{10}{3}(16)$

$y = \frac{10}{3}(16)$...

### 10 POINTS AND BRAINLIEST FOR CORRECT ANSWER! A rectangle is inscribed in a square so that each vertex of the rectangle is located on one side of the square, and the sides of the rectangle are parallel to the diagonals of the square. Suppose that one side of the rectangle is twice the length of the other and that the diagonal of the square is 12 meters long. Find the sides of the rectangle.

10 POINTS AND BRAINLIEST FOR CORRECT ANSWER! A rectangle is inscribed in a square so that each vertex of the rectangle is located on one side of the square, and the sides of the rectangle are parallel to the diagonals of the square. Suppose that one side of the rectangle is twice the length of the o...

### Solve y" + y = tet, y(0) = 0, y'(0) = 0 using Laplace transforms.

Solve y" + y = tet, y(0) = 0, y'(0) = 0 using Laplace transforms....

### Identificamos el conflicto del cuento "La Gata": ¿Qué tipo de oposición de fuerzas de las expuestas en el acápite que habla de la trama se observan en este cuento?

Identificamos el conflicto del cuento "La Gata": ¿Qué tipo de oposición de fuerzas de las expuestas en el acápite que habla de la trama se observan en este cuento?...

### Anna lives in a city that experiences high precipitation, with an average annual rainfall of 524 millimeters. It is warm all year. It is hottest during July, with an average temperature of 98°F, and coldest during December, with an average temperature of 80°F. Tim lives in a city with an average rainfall of 30 millimeters per year. It has hot summers and cool winters. It is hottest during July, with an average temperature of 70°F, and coldest during January, with an average temperature of 28°F.

Anna lives in a city that experiences high precipitation, with an average annual rainfall of 524 millimeters. It is warm all year. It is hottest during July, with an average temperature of 98°F, and coldest during December, with an average temperature of 80°F. Tim lives in a city with an average ...