The time (in number of days) until maturity of a certain variety of hot pepper is normally distributed, with mean μ and standard deviation σ = 2.4. this variety is advertised as taking 70 days to mature. i wish to test the hypotheses h0: μ = 70, ha: μ > 70, so i select a simple random sample of four plants of this variety and measure the time until maturity. the four times, in days, are 76 73 69 70 based on these data, i would reject h0 at level:

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.