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# Math Statistics Question - null/alternative Test Statistic, P-Value/Critical, Claim?

1 In a study of proctored and nonproctored exams in am online class, researchers obtained the following data.Group One (Proctored): n = 30, x bar = 73.4, s = 11.92 Group Two (Unproctored):...

# Ray and Paul have 17 marbles. Ray and Paul have 15 marbles. Neil and Paul have 14 marbles.How many do they have all together?

I am trying to find out the answer to how many marbles each person has

# at least one bulb is 75-W, what is the probability that both are 40-W bulbs?

four 40-Watt bulbs five 60-Watt bulbs six 75-Watt bulbs sample of two bulbs is selected

# Physics Question

The value of specific heat for copper is 390 J/kg⋅C°, for aluminum is 900 J/kg⋅C°, and for water is 4186 J/kg⋅C°.   (a) What will be the equilibrium temperature in degrees Celsius when...

# Physics Question

A 10-g sample of a cookie is allowed to dry before putting it in a bomb calorimeter. The aluminum bomb has a mass of 0.615 kg and is placed in 2.00 kg of water contained in an aluminum calorimeter...

# the selected sample has at least one ball,what is the probability that ball is white?

A=white ball B=black ball P(A)=0.4 P(B)=0.5 P(A∩B)=0.25

# five times the difference of twice a number and eleven is negative five. find the number.

five times the difference of twice a number and eleven is negative five. find the number.

# can some one help me if these statements are aggressive message or assertive message?

1) Why do we have to do what you always want to do? [aggressive or assertive] 2) I would prefer to go to the movies tonight and then stay in tomorrow night.[aggressive or assertive] 3) Have...

# how much cantaloupe would you have to order if you needed 15 pounds and cantaloupe has a 55% yields?

how much cantaloupe would you have to order if you needed 15 pounds and cantaloupe has a 55% yields?  this is for a class I am taking. thank you

# Can I apply for a scholarship as an international student?

I'm from Germany and I would like to study in the US. Am I eligible for your scholarshoips?

# class 11 Relations and functions

Let f be a function defined by f:x→5x2  + 2 : x∈R i) Find the image of 3 under f. ii)Find f(3).f(2) iii)Find x such that f(x)=22   Please response to this question...

# How do I find the content of the wafer and the cream of the original oreo?

This has to deal with double stuffed and original oreos (Just say double stuffed is really double the original). I have a table of:   REGULAR-   Cookies/serving=...

# What is the probability that a random sample of 17 persons will exceed the weight limit of 3,434 pounds?

The weight of people in a small town in Missouri is known to be normally distributed with a mean of 186 pounds and a standard deviation of 29 pounds. On a raft that takes people across the river,...

# Find the surface area of a cone that has a slant height of 20 ft and the radius of the base is 10ft

The cone has a slant height of 20ft and the crock base has a radius of 10ft (use pi=3.14) I basically need to find the height of the cone and then I'll be able to solve it

# s. she want atlst160 in the account. takes 40 out every week. write and solve an inequality

can u pleaseheinequality problem need help hard to write and solve thany u and can u help me as fast as u can i need some sleep

# Describe of light and explain how it help determine the arrangement of atom and molecules in solids.

describe of light and explain how it help determine the arrangement of atom and molecules in solids. what type of light ( electromagnetic wave) is used when probing solids?

# I need 2 cups of sugar for every 3 cups flour. I only have 2 cups flour. How much sugar do I need?

I need to find out how much sugar I will need when I only have 2 cups of flour instead of the normal 3 cups of flour.

# A triangular parcel of land has sides of lengths 900, 820, and 250 feet. Approximate the area of the land, in square feet. Round answer to nearest foot.

A triangular parcel of land has sides of lengths 900, 820, and 250 feet. Approximate the area of the land, in square feet. Round answer to nearest foot.

# The circular arc of a railroad curve has a chord of length 2500 feet corresponding to a central angle of 35". Find the radius r of the arc. Round o the nearest

The circular arc of a railroad curve has a chord of length 2500 feet corresponding to a central angle of 35". Find the radius r of the arc. Round o the nearest whole number.

# decimal help

how do I solve 2^x = 1000   (solve for x (round to 2 decimal places)   thanks