Mathematics, 12.12.2020 17:10 katlyn10289
A random sample of 25 fields of spring wheat has a mean yield of 27.6 bushels per acre and standard deviation of 5.69 bushels per acre. Determine the 98% confidence interval for the true mean yield. Assume the population is approximately normal. Step 1 of 2:Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places. Step 2 of 2:Construct the 98% confidence interval. Round your answer to one decimal place.
Answers: 3
Mathematics, 21.06.2019 12:40
In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.
Answers: 2
Mathematics, 21.06.2019 18:30
David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?
Answers: 1
Mathematics, 21.06.2019 18:30
According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.
Answers: 1
Mathematics, 21.06.2019 20:00
Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form. −three fourthsx + y = 10 3x − 4y = −40 y = three fourthsx + 12 y = three fourthsx + 10
Answers: 1
A random sample of 25 fields of spring wheat has a mean yield of 27.6 bushels per acre and standard...
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