SL
Saravana Lingam
Answers (6)
SL
Answered
{Promotional Campaigns Narrative} Estimate with 95% confidence the mean difference and interpret.
On Jul 14, 2024
.957 ± .57.Thus,LCL = .387,and UCL = 1.527 ($1,000). We estimate that the daily sales during the campaign increase on average between .387 and 1.527 thousand dollars.
SL
Answered
What is the early finish time for Activity I?
A) 76
B) 68
C) 84
D) 106
A) 76
B) 68
C) 84
D) 106
On Jul 10, 2024
C
SL
Answered
The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and a standard deviation of 5,000 miles.What is the probability that a randomly selected tire will have a life of at least 35,000 miles?
A) 0.1587
B) 0.8413
C) 0.0000
D) 1.0000
A) 0.1587
B) 0.8413
C) 0.0000
D) 1.0000
On Jun 13, 2024
B
SL
Answered
In testing the difference between two population means for which the population variances are unknown and not assumed to be equal,two independent samples are drawn from the populations.Which of the following tests is appropriate?
A) z-test
B) pooled-variances t-test
C) unequal variances t-test
D) None of these choices.
A) z-test
B) pooled-variances t-test
C) unequal variances t-test
D) None of these choices.
On Jun 10, 2024
C
SL
Answered
Which of the following refers to a correlation between two variables?
A) bicorrelate
B) bivariate
C) two-way variance
D) two-way analysis
A) bicorrelate
B) bivariate
C) two-way variance
D) two-way analysis
On May 14, 2024
B
SL
Answered
Matt just got a great deal on a 5,000 BTU air conditioner and decided to add a family room with an 8-foot ceiling to the back of his house.If the room faces north and he intends to make sure it is well insulated,how many square feet can his room be without exceeding the capacity of the air conditioner?
On May 11, 2024
