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tangare
2 months ago
7

A company director investigated whether there is a difference in the mean number of overtime hours worked each week by employees

assigned to two different managers. Each manager, A and B, manages 100 employees. Random samples of 35 employees from manager A and 40 employees from manager B were selected. The number of overtime hours worked was recorded for the 75 employees each week. Have the conditions been met for inference with a confidence interval for the difference in the population means?
Mathematics
1 answer:
PIT_PIT [12.4K]2 months ago
0 0
C. No, because at least one of the sample sizes exceeds 10 percent of the population.
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Four hot air balloons each descend 295 feet per minute for 7 minutes. Find the total change in altitude for all 4 balloon
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Answer: A total descent of 8260 feet occurred for all four balloons.

Step-by-step explanation:

Based on the information provided:

Number of hot air balloons = 4

Minutes of descent = 7

Descent rate per minute = 295 feet

Thus, the overall change in altitude for all four balloons can be calculated as:

295\times 7\times 4\\\\=8260\ feet

Thus, a total descent of 8260 feet was experienced by the four balloons.

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A basement bedroom must have a window with an opening area of at least 5.7 square feet, per the International Residential Code.
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5.7 square feet is equivalent to 0.53 square meters

0.53 divided by 0.75 results in 0.71

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2 months ago
The flight path of a golf ball is modeled by the function, F (X) = -0.0 2X^2 Plus 6X, we are X represents the horizontal distanc
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Let’s tackle the problem. We know the formula for <span>the height of the ball is as follows:

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1 month ago
Three workers at a fast food restaurant pack the take-out chicken dinners. John packs 45% of the dinners, Mary packs 25% of the
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The likelihood that Mary was the one who packed the dinner stands at 0.15625. To clarify, the probability of an event is defined as the chance that it will occur relative to the total possible outcomes. Let's analyze the problem at hand, which pertains to Conditional Probability. The formula we use generally is as follows: Let: The chance of John packing dinners without a salt packet is denoted as P(J), for Mary, it is P(M), and for Sue, it is P(S). Hence, if there's no salt in the dinner I purchased, the probability that Mary did the packing is calculated as follows.
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2 months ago
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If a(x) = 2x - 4 and b(x) = x + 2, which of the following expressions produces a quadratic function?
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Answer:

(ab)(x)Conclusion from the given data:

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