4. A recent study stated that if a person smoked, the average of the number of cigarettes he or she smoked per day was 14. To test the claim, a researcher selected a random sample of 40 smokers and found that the mean number of cigarettes smoked per day was 18. The standard deviation was 6. At c= 0.05 (two tailed), is the number of cigarettes a person smokes per day actually equal to 14?

Q: (-14) + (–7)

A:

Q: Evaluate. 5(41)

A: We need to evaluate the value of 5(4!)

Q: a3-16a

A: a³−16a ⇒a(a²−16) ⇒a(a² −4²) ⇒a(a+4)(a−4)

Q: 5(18)

A: To find5(18)

Q: 5/14+1/6

A: 514+16=15+742

Q: sing the geometry of the graph ,evalvate the definite integrals.

A: As this is a multiple subpart question according to the Bartleby Answering rule, only first three…

Q: In the

A: In the diagram it is given that, the angles <G and <H are complementary. m<G = 2x + 10…

Q: 3. Find L-¹{√534}. (s+3)

A:

Q: 4. Fill in the following contingency table with the number of observations that fall into each com-…

A: x1 = number of colored oranges from Skittles brand = 77 x2 = number of colored oranges from M &…

Q: 3 -5 7 4 8 2 8 -3 -6 find P30, P60 and P95.

A:

Q: 3(c) please

A:

Q: 8 13

A:

Q: 6. Using the data from the contingency table, obtain the value of the test statistic of our test. 7.…

A: Step 1: Given: x1 = number of colored oranges from Skittles brand = 77 x2 = number of colored…

Q: expand (x+y)6

A:

Q: Z4×Z6 has an element of order 24. true or false ?

A:

Q: What is the product of 3 and 3?

A: To find the product of given irrational numbers.

Q: -96 6 -7 A = -3 d 4A.

A:

Q: (NINETEEN)

A: The information provided in the are as follows :-Level of significance