3. The FDA tests the tobaccos in two different types of cigars for nicotine content (in mg) and obtained following results. Construct the 95% confidence interval for the difference between mean Brand size S.D. mean nicotine content. Give an interpretation of the interval. A 38 85.3 12.44 В 36 89.8 14.67

Q: what is a negative minus a positive number

A: Let's find.

Q: -0.50 1.00 а) 0.60 -100 -0.50 b) 0.60 100 -1.00 -0.50 1.00 c) 0.60 -1.00 -0.50 1.00 d) 60 -1.00

A:

Q: Find 2x² +5x+1 -dr, x>0

A: Use the formulas below to evaluate the given integral.

Q: Solve for x (5x + 4)'75 = 128

A:

Q: Find the positive number which gives the smallest answer when you add its square to 16 times its…

A: Let the number is x So,  when I add its square to 16 times its reciprocal, then I get: We have to…

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Q: which real number values of x would make 9x+x^2 negative?

A:

Q: Dana is a math professor who usually teaches in-person but has recently started teaching online.…

A: Given that, mean , μ=76.5standard deviation,σ=19.1and sample mean(class-average),x =68.4 and sample…

Q: negative numbers

A: Product of two negative number is a positive number. A positive number is always greater than a…

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A: The problem is asking us to find the height of the rock after x seconds. The height is given by the…

Q: Explain how the Root Test works.

A: Root test: Consider ∑an be a positive series. Consider the following equation: R=limn→∞an1n

Q: Is equation, odd, even or negative?

A:

Q: 135°

A:

Q: 3.2 H.

A:

Q: To make an open box, a man cuts equal squares from each corner of a sheet of metal that is 12 inches…

A: Given:The metal sheet is 12 inches wide and 16 inches long.

Q: P is used to represent the level of significance O population proportion O probability of Ho…

A: Population proportion is denoted P Level of significance is denoted by α

Q: i need this answer for with four decimals.    Can you please help?

A: We can solve this as follows:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.